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Forces & Motion

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
2.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

3.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

4.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
5.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
6.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
7.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

8.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
9.

___________ is a measure of the amount of matter in an object.

a)

gravity

b)

force

c)

mass

10.
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
11.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
12.

If there are two forces going in the opposite direction how would you find the net force?

a)

Subtract

b)

Add

c)

Neither

d)

Multiply

13.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
14.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
15.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

16.

Select the unit for speed

a)

m/s

b)

ms

c)

m/s^2

d)

ms^2

17.
88 m/s north
a)
Speed
b)
Velocity
c)
Acceleration
18.
Which graph shows: a car slowing down and coming to a stop.
a)
A
b)
B
c)
C
d)
D
19.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
20.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
21.

This occurs when an object speeds up, slows down, or changes direction.

a)

Speed

b)

Velocity

c)

Acceleration

22.

What two factors does velocity depend on?

a)

speed and direction

b)

distance and time

c)

speed and time

d)

distance and direction

23.
What is this graph representing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
24.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
25.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
26.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
27.
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
28.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
29.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
30.
Which line represents an object moving at a faster speed?
a)
A
b)
B
31.
Which line represents an object moving at a slower speed?
a)
A
b)
B
32.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

33.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

34.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

35.

What is the name of Newton's 1st Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Action / Reaction

c)

Law of Inertia

36.

What is the name of Newton's 2nd Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action / Reaction

37.

What is the name of Newton's 3rd Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action / Reaction

38.

A force that opposes motion between objects that are touching is called...

a)

motion

b)

friction

c)

velocity

d)

acceleration

39.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

force

b)

acceleration

40.

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?

a)

2nd Law

b)

1st Law

c)

3rd Law

41.

Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which law is this an example of?

a)

1st Law

b)

2nd Law

c)

3rd Law

42.

When there is an DECREASE in MASS of an object you will have a ______________ in ACCELERATION.

a)

decrease

b)

increase

43.

What explains why objects resist changes in their state of motion?

a)

gravity

b)

inertia

c)

force

d)

friction

44.

What explains a quantity that has BOTH speed and direction?

a)

Inertia

b)

Force

c)

Speed

d)

Velocity

45.

What is the formula for force?

a)

F=m/a

b)

F=a/m

c)

F=ma

d)

F=Fm

46.

Two blocks of iron of different masses are kept on a cemented floor. Which one of them would require a larger force to move it from the rest position?

a)

both requires same force

b)

box A

c)

box B

47.

Which of the following is not used to reduce friction

a)

wheels

b)

sandpaper

c)

bumpy rocks

d)

bacon grease

48.

Which of the following best describes two surfaces that are in contact with each other but are not in motion?

a)

kinetic friction

b)

static friction

49.

A boat going through the surface of a lake is an example of which type of friction?

a)

rolling

b)

emotional

c)

sliding

d)

fluid

50.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
51.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
52.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
53.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
54.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
55.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
56.

The amount of friction depends on the force of the objects pressing together.

a)

True

b)

False

57.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
58.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
59.

There are four types of friction. What are those four called?

a)

sliding, rolling, static, and fluid

b)

slipping, sliding, falling, and fluid

c)

slipping, sliding, static, and flowing

60.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance

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