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Year 7 Forces Test Revision

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

Forces are measured in

a)

Newtons

b)

grams

c)

metres

d)

millilitres

2.

What happens if forces are balanced?

a)

The object will move left

b)

The object will move right

c)

The object will keep moving at the same speed in the same direction

d)

The object will keep moving in the same direction but slow down

3.

What is the net force?

a)

35 N right

b)

17 N right

c)

11 N right

d)

5 N right

4.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Friction Force

d)

Applied Force

5.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Tension Force

d)

Friction Force

6.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

7.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
8.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
9.
What is the net force?
a)
3 N left
b)
3 N right
c)
7 N left
d)
7 N right
10.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
11.

Calculate the Net Force.

a)

60N, Left

b)

40N, Right

c)

0N

d)

60N, Right

12.
A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
13.
What type of force is air resistance?
a)
Contact
b)
Non-contact
14.
What will cause an object to move?
a)

Unbalanced forces

b)

Balanced forces

15.

Name the MISSING FORCE....

a)

tension force

b)

normal force

c)

gravitational force

d)

applied force

16.

Compared to your weight and mass on Earth, if you were on the moon:

a)

your weight and mass would be less.

b)

your weight would be less but your mass would remain the same.

c)

your weight would remain the same, but your mass would be less.

d)

your weight would be greater, but your mass would remain the same.

17.

What is the weight of your backpack in Newtons? The mass of your backpack is 10 kg. (assume: g = 9.8 m/s2)

a)

10 N

b)

9.8 N

c)

98 N

d)

980 N

18.

The correct equation to solve for weight in Newtons is:

a)

W = m ÷\div g

b)

W = g ÷\div m

c)

W = grams

d)

W = m ×\times g

19.

On Earth, the acceleration due to gravity is constant. Without air resistance, objects will fall to the ground at the same acceleration.

a)

True

b)

False

20.

The to gravitational field strength on the Earth's surface is .....

a)

g = 1.6 N/kg

b)

g = 3.8 N/kg

c)

g = 9.8 N/kg

d)

g = 24.6 N/kg2

21.

The gravitational attraction between the two bodies increases when

a)

their masses are increased and distance is reduced

b)

their masses are increased and distance is increased

c)

their masses are reduced and distance is reduced

d)

their masses are reduced and distance is increased

22.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
23.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
24.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
25.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
26.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
27.
Is the force of gravity on the diver a push or a pull?
a)
push
b)
pull
28.

Which inclined plane requires the most force to push the ball to the top?

a)
b)
c)
d)
29.

All of the following are examples of inclined planes except —

a)

a ramp

b)

a screw

c)

a slide

d)

a seesaw

30.

Robert is using an inclined plane to move a heavy box into a truck bed that is two meters off the ground. Which of the inclined planes should Robert use to get the greatest mechanical advantage?

a)
b)
c)
d)
31.

Which of the following decreases when an object is moved using an inclined plane?

a)

The distance the object moves.

b)

The pull of gravity on the object.

c)

The force needed to move the object.

d)

The amount of space the object occupies.

32.

When looking at the arm, which point is the fulcrum?

a)

Hand

b)

Elbow

c)

Bicep muscle

d)

Weight

33.

Calculate the mechanical advantage

Mechanical Advantage = length of slope / height of slope

a)

10

b)

5

c)

2.5

d)

2

34.
What is the ideal mechanical advantage of an inclined plane which has 4 cm height and 16 cm slope?
a)
1/4
b)
1
c)
16
d)
4
35.
A ramp is an example of a(n)
a)
inclined plane
b)
fulcrum
c)
force
d)
lever
36.

What is the actual mechanical advantage of this inclined plane?

a)

305

b)

0.061

c)

16.25

d)

345

37.

Which lever gives you the largest ideal mechanical advantage?

a)

A

b)

B

c)

C

38.

Which lever would be the easiest to lift the load?

a)

C

b)

A

c)

B

39.

Which part is the 'load'?

a)

Arrow

b)

Yellow box

c)

Blue triangle

40.

A force can cause an object to

a)

start moving

b)

slow down

c)

change direction

d)

all of the above

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