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GCSE Triple - Forces

Total questions: 28

Worksheet time: 28mins

Name
Class
Date
1.
Which statement is true about a moving object?
When an object is ....
a)
...accelerating, the resultant force acting on it must be zero
b)
... moving at a steady speed, the air resistance acting on it must equal zero
c)
... moving at a steady speed, the resultant force acting on it must equal zero
d)
... moving, there must be a resultant force acting on it.
2.
A woman lifts 20 bricks, each of weight 6N.
What other information is needed to calculate the useful work done in lifting the bricks?
a)
the distance she lifts the bricks
b)
the mass of the bricks
c)
the time taken to lift the bricks
d)
the volume of the bricks
3.
How far does the car travel before it reaches a steady speed?
a)
10m
b)
20m
c)
100m
d)
200m
4.
Which statement is correct about a bottle of water?
a)
its mass at the North Pole is different from its mass at the Equator
b)
its mass is measured in newtons
c)
its weight and mass are the same thing
d)
its weight is one of the forces acting on it
5.
a)
  A
b)
  B
c)
  C
d)
  D
6.
Which statement about mass and weight is correct?
a)
Mass and weight are both forces
b)
Neither mass nor weight is a force
c)
Only mass is a force
d)
Only weight is a force
7.
a)
   A
b)
  B
c)
   C
d)
   D
8.
In a race, a car travels 60 times around a 3.6km track. This takes 2.4 hours. What is the average speed of the car?
a)
1.5 km/h
b)
90 km/h
c)
144 km/h
d)
216 km/h
9.
Which quantity is measured in newtons?
a)
density
b)
energy
c)
pressure
d)
weight
10.
Two forces act on an object.
In which situation is it IMPOSSIBLE for the object to be in equilibrium?
a)
The two forces act in the same direction
b)
The two forces act through the same point
c)
The two forces are of the same type
d)
The two forces are the same size
11.

What is the equation that links gravitational field strength, mass and weight?

a)

weight = mass x gravitational field strength

b)

weight = mass ÷ gravitational field strength

c)

weight = gravitational field strength ÷ mass

12.

What is the equation that links distance, force and work done?

a)

work done = force x distance

b)

work done = force ÷ distance

c)

work done = distance ÷ force

13.

What is the equation that links extension, force applied to a spring and spring constant?

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

14.

What is the equation that links distance, time and velocity?

a)

velocity = time x distance

b)

velocity = distance ÷ time

c)

velocity = time ÷ distance

15.

What is the equation that links acceleration, change in velocity and time?

a)

acceleration = change in velocity x time

b)

acceleration = change in velocity ÷ time

c)

acceleration = time ÷ change in velocity

16.

What is the equation that links acceleration, mass, and resultant force?

a)

resultant force = mass x acceleration

b)

resultant force = mass ÷ acceleration

c)

resultant force = acceleration ÷ mass

17.

What is the equation that links mass, momentum, and velocity?

a)

momentum = mass x velocity

b)

momentum = mass ÷ velocity

c)

momentum = velocity ÷ mass

18.

What is the unit of work?

a)

Newton

b)

Joule

c)

Watt

d)

meter

19.

What is the resultant force in this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

20.

What equation links distance, speed and time?

a)

speed = time ÷ distance

b)

speed = distance ÷ time

c)

speed = distance x time

d)

speed = time x distance

21.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
22.

Which of these can be measured in meters per second (m/s)

a)

Distance

b)

Time

c)

Speed

d)

Acceleration

23.

Calculate the average speed (in m/s) if a cheetah runs 180 metres in 10 seconds.

a)

198 m/s

b)

170 m/s

c)

12 m/s

d)

18 m/s

24.
Of the following, which is a vector?
a)
Mass
b)
Time
c)
Speed
d)
Velocity
25.

Acceleration is defined as the "change in..."

a)

the time it takes to move from one place to another.

b)

velocity of an object.

c)

distance, divided by the time taken.

d)

velocity, divided by the time taken.

26.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
27.

A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

a)

-7.5 m/s

b)

-7.5 m/s2

c)

-0.5 m/s2

d)

0.5 m/s

28.

A spring has a spring constant of 5 N/cm. What is its extension when loaded with 15 N?

a)

3 cm

b)

5 cm

c)

3 m

d)

5 m

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