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Y9 Revision P1,P2 and P3

Total questions: 54

Worksheet time: 50mins

Name
Class
Date
1.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
2.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced?
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
3.
Force pair that has a net force of zero.
a)
Balanced force
b)
Unbalanced force
4.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
5.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
6.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
7.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
8.
The increasing speed of a falling object is caused by _____________.
a)
force
b)
mass
c)
speed
d)
gravity
9.
Newton's second law of motion describes acceleration as force divided by __________.
a)
mass
b)
inertia
c)
speed
d)
direction
10.
According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 
a)
Newton's Second Law
b)
Newton's Third Law
c)
Newton's First Law
11.
Newton's Third Law States...
a)
Objects in motion stay in motion and objects at rest stay at rest
b)
Force is equal to mass times acceleration
c)
For each action there is an equal and opposite reaction
12.
A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...
a)
Less than 1, 000 N
b)
1,000 N
c)
More than 1,000 N
13.

Material of density of 762 kg/m3 occupies a container volume of 99 cm3. What is its mass?

Hint: density = mass/volume

a)

75438 kg

b)

7.70 kg

c)

0.13 kg

d)

6858 kg

14.

What is the volume of 325 g of metal with a density of 9.0 g/cm3 ?

Hint: Density = mass/volume

a)

36.11 cm3

b)

0.03 cm3

c)

2925 cm3

d)

361.11 cm3

15.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
16.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
17.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
18.
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
19.
A fish has a mass of 30g. What is the density of the fish?
a)
5 mL
b)
5 g/mL 
c)
6 g/mL
d)
6 g
20.
What is Newton's First law?
a)
inertia only exists in a vacuum
b)
inertia does not occur with objects with mass
c)
equalibrium causes acceleration
d)
An object at rest stays at rest and an object in motion stays in motion  unless acted upon by a force
21.
What is Newton's Second Law?
a)
forces do not cause acceleration
b)
mass is not related to acceleration
c)
F=ma
d)
force is not related to mass
22.
What is Newton's Third law?
a)
an eye for an eye
b)
every action has an equal and opposite reaction
c)
push forcce
d)
inertia
23.

Sky Diver - Just after she jumps out of the plane (before the parachute opens). She is going faster and faster, this is because the Forces are..

a)

Balanced

b)

Unbalanced

24.

Sky diver -Just after she jumps out of the plane (before the parachute opens). The sky diver will have

a)

a constant speed

b)

a constant acceleration

c)

a constant velocity

25.

Sky diver (before the parachute opens). she is going faster and faster, the faster she goes the more

a)

acceleration

b)

weight

c)

drag

d)

Cold

26.

Sky diver Whe she opens the parachute the ........... increases and she is ........................

a)

weight, accelerating

b)

drag, accelerating

c)

drag, decelerating

d)

weight, decelerating

27.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
28.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
29.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
30.

How fast is the object going between 40s and 60s? Give your answer in m/s (do the calculation on paper - look carefully at the Graph)

(a)  

31.

How is the object moving between 0 and 20 sec?

a)

Not Moving

b)

Moving at constannt speed but slow

c)

Moving at constannt speed but fast

d)

Moving at constannt speed but opposite direction

e)

accelerating

32.

How is the object moving between 20 and 40 sec?

a)

Not Moving

b)

Moving at constannt speed but slow

c)

Moving at constannt speed but fast

d)

Moving at constannt speed but opposite direction

e)

accelerating

33.

How is the object moving between 60 and 100 sec?

a)

Not Moving

b)

Moving at constannt speed but slow

c)

Moving at constannt speed but fast

d)

Moving at constannt speed but opposite direction

e)

accelerating

34.
What kind of circuit is this?
a)
series
b)
parallel
35.
If bulb 1 burns out, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
36.
A material in which electrons are not able to move easily is called _______.
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
37.

What electrical charge to electrons carry?

a)

Positive

b)

Negative

c)

Neutral

38.

What effect do like (similar) charges have on each other?

a)

They attract

b)

They repel

c)

No effect

d)

They reverse each other

39.

Will the balloons ATTRACT or REPEL each other?

a)
b)
40.

What is the unit of current?

a)

ohm

b)

ampere

c)

volt

d)

joule

41.

By convention, current is defined as flowing from ______________ to ______________.

a)

positive, negative

b)

positive, positive

c)

negative, positive

d)

negative, negative

42.

If the reading of A1 is 0.3 A, what is the reading of ammeter A2?

a)

0.1 A

b)

0.2 A

c)

0.3 A

d)

0.4 A

43.

A parallel Electric circuit was set up as shown in the diagram. The reading of Ammeter A1 is _________ A.

a)

0.1 A

b)

0.12 A

c)

0.7 A

d)

0.21 A

44.

A parallel circuit is set up using 3 similar lightbulbs as shown in the diagram. If the ammeter reading of A1 is 1.2 A, what is the reading of Ammeter A2 is _________ A

a)

0.1 A

b)

0.2 A

c)

0.3 A

d)

0.4 A

45.

How do you calculate resistance?

a)

Current x Voltage

b)

Voltage x Power

c)

Voltage ÷ Current

d)

Current ÷ Voltage

46.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
47.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

48.

the formula to find current when the values of V and R are known is

a)

I = V2R

b)

I = V/R

c)

I = R/V

d)

I=VR

49.

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

a)

1 Ohm

b)

3 Ohms

c)

4 Ohms

d)

12 Ohms

50.

Which component is the Fuse? Type the letter

(a)  

51.

Name the component G

(a)  

52.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
53.
As you climb up a mountain what happens to the air pressure?
a)
decreases
b)
increases
c)
stays the same
54.

When a diver dives deeper into the ocean, he will experience ...................... liquid pressure

a)

greater

b)

less

c)

no

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