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Worksheets

year 10 IGCSE Physics

Total questions: 162

Worksheet time: 3hrs 41mins

Name
Class
Date
1.

When does an object falling vertically through the air reach terminal velocity?

a)

when the acceleration of the object becomes negative

b)

when the acceleration of the object is equal to g

c)

when the air resistance equals the weight of the object

d)

when the air resistance is greater than the weight of the object

2.

An athlete runs a 100m race in a straight line. The table shows how his speed changes with time for the first 0.5s of the race. What is the average acceleration of the athlete between time 2.0s and time 3.0s?

a)

1.6m/s^2

b)

1.9m/s^2

c)

4.9m/s^2

d)

5.7m/s^2

3.

The gravitational field strength on the Moon is 1.6N/kg. An astronaut has a mass of 75kg. What is the weight of the astronaut on the Moon?

a)

47N

b)

75N

c)

120N

d)

740N

4.

Two objects P and Q are placed in a beaker containing a liquid. Object P floats in the liquid and object Q sinks. Which row for the densities of object P, object Q and the liquid is possible?

a)

A

b)

B

c)

C

d)

D

5.

A ball of mass 0.12kg is hit by a tennis player. The velocity of the ball changes from 0m/s to 5m/s in 0.60s. What is the average resultant force acting on the ball while it is being hit?

a)

1.0N

b)

2.5N

c)

3.6N

d)

8.3N

6.

A balloon and a mass are attached to a rod that is pivoted at a fixed point P. The balloon is filled with helium, which is a gas that is less dense than air. The balloon filled with helium applies an upward force on the rod. The rod is horizontal and in equilibrium. Which action causes the rod to rotate clockwise?

a)

moving the balloon to the 40cm mark and the mass to the 30cm mark

b)

moving the balloon to the 20cm mark and the mass to the 10cm mark

c)

moving the balloon to the 25cm mark and the mass to the 25cm mark

d)

moving the balloon to the 20cm mark and the mass to the 30cm mark

7.

A hole is made in a square tile of uniform thickness. The diagram shows the tile hanging loosely on a nail. Where is the centre of gravity of the tile?

a)

A

b)

B

c)

C

d)

D

8.

An object of mass 0.16kg is moving forwards at a speed of 0.50m/s. A second object of mass 0.10kg is at rest. The first object strikes the second object. After the collision, the second object moves forwards at a speed of 0.50m/ s. What is the speed of the first object after the collision?

a)

0m/s

b)

0.19m/s

c)

0.31m/s

d)

0.5m/s

9.

A ball is at rest at the top of a hill. The ball rolls down the hill. At the bottom of the hill the ball hits a wall and stops. Which energy changes occur?

a)

gravitational potential energy → internal energy → kinetic energy

b)

gravitational potential energy → kinetic energy → internal energy

c)

kinetic energy → gravitational potential energy → internal energy

d)

kinetic energy → internal energy → gravitational potential energy

10.

A man climbs a ladder. Which quantities can be used to calculate the useful power of the man?

a)

the weight of the man and the time taken only

b)

the weight of the man and the vertical distance moved only

c)

the work done by the man and the time taken only

d)

the work done by the man and the vertical distance moved only

11.

A student uses her thumb to push a drawing pin (thumb tack) into a notice board. The pin goes into the board but does not penetrate her thumb. Which statement explains this?

a)

The force exerted by the pin on her thumb is greater than the force exerted by the pin on the notice board.

b)

The force exerted by the pin on the notice board is greater than the force exerted by the pin on her thumb.

c)

The pressure of the pin on her thumb is greater than the pressure of the pin on the notice board.

d)

The pressure of the pin on the notice board is greater than the pressure of the pin on her thumb.

12.

A submarine is a boat that can travel below the surface of the sea. A submarine is 20m below the surface of the sea. The pressure due to the sea water at this depth is P. On another day, the submarine is 26m below the surface of fresh water. The density of sea water is 1.3 times the density of fresh water. What is the pressure due to the fresh water at a depth of 26m?

a)

P/1,3

b)

P

c)

1.3P

d)

1.7P

13.

When particles of a gas collide with a wall of a container, the wall experiences a pressure. What is the cause of this pressure?

a)

the change in energy of the particles

b)

the change in momentum of the particles

c)

the change in power of the particles

d)

the change in speed of the particles

14.

Copper is a type of metal. A block of copper has a mass of 2.0kg. The block of copper absorbs 12000J of thermal energy. The specific heat capacity of copper is 385J /(kg°C). What is the temperature rise of the copper?

a)

15.6°C

b)

31.2°C

c)

46.8°C

d)

62.4°C

15.

The diagram shows the gap between a hot surface and a cold surface. The gap can contain air (gas), iron (solid), a vacuum or water (liquid). Which material in the gap allows the quickest transfer of thermal energy between the surfaces by conduction?

a)

air (gas)

b)

iron (solid)

c)

Vacuum

d)

Water (liquid)

16.

Which row about boiling and about evaporation is correct?

a)

A

b)

B

c)

C

d)

D

17.

The diagram shows four objects on a flat surface. The centre of mass of each object is marked M. Which object is about to fall over?

a)

A

b)

B

c)

C

d)

D

18.

A pool of water evaporates. As molecules escape, the temperature of the water left in the pool changes. From where do the molecules escape and what is the effect on the temperature of the water in the pool?

a)

A

b)

B

c)

C

d)

D

19.

Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. As sunset approaches, they increase the speed of the elevator so that more bales are lifted up in a given time. How does this affect the work done in lifting each bale and the useful output power of the elevator?

a)

A

b)

B

c)

C

d)

D

20.

The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water. At which labelled point is the pressure the greatest?

a)

A

b)

B

c)

C

d)

D

21.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

22.

The energy in which store decreases as a candle burns? 

a)

Chemical energy store

b)

Kinetic energy store

c)

Nuclear energy store

23.

_______________ is when energy is transferred due to charge flowing around a circuit. 

a)

Electrically

b)

Kinetic

c)

Mechanically

d)

By radiation

24.

________ is when energy is transferred between areas that have different temperatures. 

a)

By radiation

b)

By heating

c)

Mechanically

d)

Nuclear

25.

When you eat fruits and vegetables, the energy is stored as ...

a)

a. thermal energy

b)

b. food energy

c)

c. electrical energy

d)

d. chemical energy

26.
a.  Energy stored in the nucleus of an atom.
a)
A. Sound Energy
b)
B. Potential Energy
c)
C. Nuclear Energy
d)
D. Thermal energy
27.

A stretched rubber band has energy in this energy store

a)

Magnetic

b)

Electrostatic

c)

Elastic

d)

Nuclear

28.

What is a renewable energy source.

a)

Coal

b)

Solar Power

c)

Nuclear Power

d)

Natural Gas

29.

What is a non renewable energy source.

a)

Solar Power

b)

Wind

c)

Natural Gas

d)

Tidal

30.

It takes over millions of years for fossil fuels to form underground.

a)

True

b)

False

31.

What are the 3 MAIN types of fossil fuels?

a)

Coal - Oil - Nuclear

b)

Coal - Oil - Solar

c)

Oil - Coal - Gas

32.

How are fuels normally used?

a)

Cooked

b)

Burnt

c)

Boiled

d)

As they come

33.

Fossil Fuels are reliable

a)

True

b)

False

34.

Running costs for fossil fuels are high

a)

True

b)

False

35.
 Energy from the sun is known as......... 
a)
hydroelectric energy
b)
geothermal energy
c)
solar energy
d)
wind energy
36.

The releasing of stored chemical energy in fuels by burning; burning gas in car, burning wood is called ____________________________.

a)

combustion

b)

fossil fuels

c)

resources

d)

greenhouse gases

37.

What is the energy produced by moving water?

a)

hydroelectric power

b)

streams

c)

hydrowater power

d)

rivers

38.

What is it called when two hydrogen nuclei combine to form one helium nucleus which has less mass than the hydrogen nuclei?

a)

nucleus

b)

nuclear power

c)

nuclear fusion

d)

nuclear fission

39.

Coal is formed from .....

a)

decaying plant remains

b)

hydrogen atoms

c)

nuclei

d)

living plants and animals

40.

If we had the technology, why could nuclear fusion be better than nuclear fission?

a)

produces more energy

b)

produces less energy

41.

___________________ stops the transfer of heat.

a)

Insulation

b)

Air conditioners

c)

Heating systems

d)

Windows

42.

The intense heat from Earth’s interior is called ____________________________________________ energy.

a)

thermal

b)

geothermal

c)

solar

d)

wind

43.

What are the units of power?

a)

Joules

b)

Newtons

c)

Amps

d)

Watts

e)

Kilowatt-hours

44.

What quantity is measured in kilograms?

(a)  

45.

What is the correct formula for force?

a)

Mass x weight

b)

Mass x velocity

c)

Mass x acceleration

d)

Mass x time

e)

Mass x distance

46.

If two cars are travelling towards each other, which of these statements is true.

a)

One has a negative time

b)

One has a negative mass

c)

One has a negative distance

d)

One has a negative momentum

e)

One has a negative kinetic energy

47.

What is the average speed equation?

a)

average speed = total time / distance travelled

b)

average speed = time taken / total distance

c)

average speed = total distance travelled / time taken

d)

average speed = total distance travelled x time taken

48.

What is the symbol equation for acceleration?

a)

a = (v + u) / s

b)

a = (v - u) / t

c)

a = (u - v) / t

d)

a = (u - v) / s

49.

Which of the following equation is the average speed equation re-arranged so that 'time taken' is the subject.

a)

time taken = average speed / distance travelled

b)

time taken = average speed x distance travelled

c)

time taken = distance travelled / average speed

d)

time taken = distance travelled x average speed

50.

Which of the following equation is the acceleration equation re-arranged so that 'change in velocity' is the subject.

a)

change in velocity = acceleration / time taken

b)

change in velocity = acceleration x time taken

c)

change in velocity = time taken x acceleration

d)

change in velocity = time taken / acceleration

51.

What is the Equation for Weight?

a)

Weight = Mass x Gravitational Field Strength

b)

Weight = Mass / Gravitational Field Strength

c)

Weight = Gravitational Field Strength / Mass

52.

What is the Equation for Force applied to a Spring?

a)

Force applied to a Spring = Spring Constant x Extension

b)

Force applied to a Spring = Spring Constant / Extension

c)

Force applied to a Spring = Extension / Spring Constant

53.

What is the Equation for Wave Speed?

a)

Wave Speed = Wave Length x Frequency

b)

Wave Speed = Wave Length / Frequency

c)

Wave Speed = Frequency / Wave Length

54.

What is the Equation for Charge Flow?

a)

Charge Flow = Current x Time

b)

Charge Flow = Current / Time

c)

Charge Flow = Time / Current

55.

What is another Equation for Power?

a)

Power = Potential Difference x Current

b)

Power = Potential Difference / Current

c)

Power = Current / Potential Difference

56.

What is the equation that links current (I), potential difference (P) and resistance (R)?

a)

Potential difference = Current x Resistance, or V=IR

b)

Potential difference = Current / Resistance, or V=I/R

c)

Potential difference = Resistance / Current, or V=R/I

57.

What is the equation that links Power (P), Time (t) and Work Done (W)?

a)

Power = Time x Work Done, or P=tW

b)

Power = Time / Work Done, or P=t/W

c)

Power = Work Done / Time, or P=W/t

58.

What is the average speed equation?

a)

average speed = total time / distance travelled

b)

average speed = time taken / total distance

c)

average speed = total distance travelled / time taken

d)

average speed = total distance travelled x time taken

59.

What are the standard units of acceleration?

a)

m

b)

s

c)

m s-1

d)

m s-2

60.

Force is measured in

a)

meter

b)

Newton

c)

kg

d)

Nm

61.

the unit of power is

a)

Volts

b)

Watt

c)

Joule

d)

W/s

62.

Momentum is a vector quantity

a)

yes

b)

No

63.

Extension in spring is measured in

a)

sec

b)

kg

c)

Ampere

d)

cm

64.

Moment of Force has a unit of

a)

N

b)

Ns

c)

Nm

d)

m

65.

The units of frequency are...

a)

metres

b)

seconds

c)

Hertz

d)

degrees

66.

Light is an example of a transverse wave

a)

True

b)

False

67.

Sound is an example of a transverse wave

a)

True

b)

False

68.

Which of the following statements describes the period of a wave?

a)

Number of waves per second

b)

Distance from crest to crest

c)

Distance from resting position to top of the wave

d)

Time taken to produce one wave

69.

The lowest frequency form of visible light is...

a)

Red

b)

Yellow

c)

Green

d)

Violet

70.

The following image demonstrates...

a)

Reflection

b)

Refraction

c)

Interference

d)

Diffraction

71.

What is the correct equation linking speed of a wave frequency and wavelength

a)

v = f x λ\lambda

b)

v = f / λ\lambda

c)

v = λ\lambda / f

72.
How many sig. fig. are in the number below:
106.00
a)
2
b)
3
c)
4
d)
5
73.
How many sig. fig. are in the number below:
0.678
a)
1
b)
2
c)
3
d)
4
74.
(52)3
a)
56
b)
55
c)
57
d)
58
75.

How many milliliters are in 13 liters? (1 liter = 1,000 milliliters)

a)

0.013 mL

b)

130 mL

c)

1,300 mL

d)

13,000 mL

76.
The base unit of metric length.
a)
Meter
b)
Liter 
c)
Kilogram
d)
milligram
77.
3 cm = ? mm
a)
30
b)
300
c)
3000
d)
0.3
78.
5 kg = ? g
a)
50 
b)
500
c)
5000
d)
50,000
79.
32 km = ? m
a)
320 
b)
3,200
c)
0.032
d)
32,000
80.
5000 m = ? km
a)
5
b)
10
c)
15
d)
20
81.

10 m = _____ mm

a)

10,000 mm

b)

100 mm

c)

1 mm

d)

1,000 mm

82.

987 mm = _____ cm

a)

98.7 cm

b)

9,870 cm

c)

9.87 cm

d)

0.987 cm

83.

18 kg = _____ g

a)

180 g

b)

1,800 g

c)

1.8 g

d)

18,000 g

84.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
85.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

21

86.
Power is measured in:
a)
joules
b)
ohms
c)
amperes
d)
watts
87.

According to the graph how fast does the person travel in the first 5 seconds?

a)

2 m/s

b)

10 m/s

c)

12.5 m/s

d)

1 m/s

88.

How far does the car travel at constant speed?

a)

75 m

b)

150 m

c)

200 m

d)

250 m

89.

How far does the car travel whilst decelerating

a)

75 m

b)

150 m

c)

200 m

d)

250 m

90.

The graph shows the vertical speed of a parachutist. At which point did they open the parachute?

a)

A

b)

B

c)

C

d)

D

91.

A parachutist of mass 75 kg jumps from a plane at a height of 4 000 m above sea level.

The parachutist falls through a distance of 2 400 m during the first 60 seconds. Calculate the average speed of the parachutist during this time.

a)

20 m/s

b)

40 m/s

c)

67 m/s

d)

80 m/s

92.

Just after the parachutist jumps out of the plane (before the parachute opens). The relative forces on them are:

a)

downward weight balances the upward friction force

b)

upward friction is constant

c)

downward weight is greater that the upward friction

d)

upward friction is greater than the downward weight

93.

John, mass = 68 kg dives out of an aeroplane

a) What is John's weight

b) What happens to John's weight as he falls?

a)

a) 0.68 N

b) stays the same

b)

a) 680 N

b) stays the same

c)

a) 680 N

b) increases

d)

a) 0.68 N

b) decreases

94.
Pressure is measured in what units
a)
Newtons
b)
m/s
c)
Pascals
d)
Moles
95.

A submarine is found 20 meters below the surface of the sea. The density of sea water is 1020 kg m-3 and g = 10 m/s2 Calculate the pressure due to the sea water acting on the submarine?

a)

20.4 Pa

b)

2.04 x 103 Pa

c)

2.04 x 102 Pa

d)

2.04 x 105 Pa

e)

2.04 x 10-2 Pa

96.

The pressure due to water at the base of a pond is measured as 50 kPa. What is the depth of the pond?

[density of water is 1,000 kg m-3]

a)

10 m

b)

0.5 m

c)

2 m

d)

5 m

97.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
98.

The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Given its depth is 11.0 km and the density of seawater is 1200 kg/m3, How do you calculate the pressure due to the ocean at the bottom of this trench.

a)

1200x10x11

b)

1200x11

c)

1200x11000x10

d)

1200x10

99.
Which of the following graphs shows the correct relationship between water pressure, p and depth, h of the water?
a)
A
b)
B
c)
C
d)
D
100.

What types of waves transfer energy perpendicular to the direction of oscillations?

a)

Longitudinal waves

b)

Transverse waves

c)

Sound waves

d)

P-waves

101.

What is the speed of a wave that has a wavelength of 2 and a frequency of 2.5 Hz?

a)

2.5 m/s

b)

5 m/s

c)

4.5 m/s

d)

6 m/s

102.

What is a transfer of thermal energy by electromagnetic waves?

a)

Radiation

b)

Convection

c)

Conduction

d)

Heat

103.

What would be the effect on the particles if the gas is heated?

a)

They would slow down

b)

They would stop moving

c)

They would speed up

d)

There would be no effect

104.

Object A has a specific heat capacity of 250 J/kg/⁰C and object B has a specific heat capacity of 1820 J/kg/⁰C. Which object will heat up faster if they have the same mass?

a)

Object A, it has a lower specific heat capacity

b)

Object B, it has a lower specific heat capacity

c)

Object A, it has a higher specific heat capacity

d)

Object B, it has a higher specific heat capacity

105.

How much energy (Q) is released when a 25.00 g piece of aluminum foil (shc = 897 J/kg/°C) is taken out of the oven and cools from 100.00 °C to 25.00 °C?

a)

1682 J

b)

394J

c)

1259 J

d)

985 J

106.
If F is force, k is spring constant and x is extension, Hooke's Law tells us that:
a)
F=k/x
b)
x=Fk
c)
k=Fx
d)
F=kx
107.

Which line shows how the extension depends on the force applied for a wire

a)

A

b)

B

c)

C

d)

D

108.

Which line shows how the extension depends on the force applied for a rubber band

a)

A

b)

B

c)

C

d)

D

109.

Calculate the mass of a object with density 2 g/cm3 and dimensions 10 cm x 5 mm x 1 m

a)

0.04 g

b)

1000 g

c)

100 g

d)

25 g

110.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
111.
a)

A

b)

B

c)

C

d)

D

112.

A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel. What is the average speed of the car?

a)

2.5 km / h

b)

16.6 km / h

c)

150 km / h

d)

1000 km / h

113.
a)

pole 1 and pole 2.

b)

pole 2 and pole 3.

c)

pole 3 and pole 4.

d)

pole 4 and pole 5.

114.
a)

A

b)

B

c)

C

d)

D

115.
a)

A

b)

B

c)

C

d)

D

116.

A small steel ball is dropped from a low balcony. Ignoring air resistance, which statement describes its motion?

a)

It falls with decreasing acceleration.

b)

It falls with constant acceleration.

c)

It falls with decreasing speed.

d)

It falls with constant speed.

117.

Which speed/ time graph applies to an object at rest?

a)

A

b)

B

c)

C

d)

D

118.
a)

A

b)

B

c)

C

d)

D

119.
a)

10 m

b)

20 m

c)

100 m

d)

200 m

120.
a)

150 m

b)

300 m

c)

600 m

d)

1200 m

121.
a)

4.0 s

b)

6.0 s

c)

10 s

d)

16 s

122.
a)

A

b)

B

c)

C

d)

D

123.
a)

A

b)

B

c)

C

d)

D

124.
a)

A

b)

B

c)

C

d)

D

125.
a)

A

b)

B

c)

C

d)

D

126.
a)

A

b)

B

c)

C

d)

D

127.
a)

A

b)

B

c)

C

d)

D

128.
a)

A

b)

B

c)

C

d)

D

129.
a)

A

b)

B

c)

C

d)

D

130.
a)

A

b)

B

c)

C

d)

D

131.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
132.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
133.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
134.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
135.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
136.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
137.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
138.
What is the density of water?
a)
0 g/ml
b)
1 g/ml
c)
10 g/ml
d)
100 g/ml
139.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
140.
A mechanical pencil has the density of 3.000 g/cm3.  The volume of the pencil is 15.8 cubic centimeters.  What is the mass of the pencil?
a)
47.4 g
b)
50 g
c)
0.190  g
d)
5.27 g
141.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
142.
Why do ice cubes float in a  glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
143.

A resultant force of 4.0N acts on an object of mass 0.50 kg for 3.0 seconds.

What is the change in velocity caused by this force?

a)

4.0 m / s

b)

6.0 m / s

c)

12 m / s

d)

24 m / s

144.

Which property of an object cannot be changed by a force?

a)

mass

b)

motion

c)

shape

d)

size

145.

A ball is dropped from a table-top. Air resistance may be ignored.

Which row describes the velocity and the acceleration of the ball at point X

a)

acceleration = constant; velocity = constant

b)

acceleration = constant; velocity = increasing

c)

acceleration = increasing; velocity = constant

d)

acceleration = increasing; velocity = increasing

146.
What is the moment acting on the seesaw?
a)
1.6Nm
b)
15Nm
c)
16N
d)
4Nm
147.

When the velocity of the car is constant, the force of friction on it is

a)

zero

b)

greater than the driving force

c)

smaller than the driving force

d)

the same size as the driving force

148.

Which are the units for acceleration

a)

m/s

b)

m/s2

c)

s/m

d)

m/s3

149.

The cyclist accelerates at 1.4 m/s2.

The mass of the cyclist and bicycle is 60 kg.

Calculate the resultant force.

(a)  

150.
What is 'drag' another name for?
a)
dressing up
b)
air resistance
c)
friction
d)
weight
151.
Name two quantities that are vectors.
a)
force and speed
b)
speed and acceleration
c)
force and acceleration
d)
mass and weight
152.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
153.
What is the name for a single force on an object with the same effect as all the forces combined?
a)
big
b)
total
c)
resultant
d)
sum
154.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
155.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
156.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
157.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
158.

The unit of force is...

a)

m/s

b)

m

c)

N

d)

kg

159.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

160.

What is the resultant force?

a)

400 N, Up

b)

400 N, Down

c)

800 N, Up

d)

800 N, Down

161.

What is the resultant force?

a)

17 N, Left

b)

6N, Right

c)

11N , Left

d)

12N, Left

162.

What is the resultant force?

a)

40N, Left

b)

40N, Right

c)

0N, Balanced

d)

75N, Right