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Force and Motion Quiz

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.
When the force on the object is _______  the object will not move.
a)
unbalanced
b)
rest
c)
balanced
2.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
3.
When two forces acting on an object are not equal in size.
a)
Balanced Force
b)
Friction
c)
Velocity
d)
Unbalanced Force
4.
An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.
a)
Unbalanced, because the plane is moving forward, not backwards
b)
Unbalanced, because the speed is constant and there is a change in direction
c)
Balanced, because the plane is not falling to a lower altitude
d)
Unbalanced, because the plane is in motion
5.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
6.
Will and Tammy are moving a dresser. They are arguing about which direction to move it. Will is pushing the dresser with a force of 5 newtons towards Tammy. Tammy is pushing the dresser towards Will with a force of 10 newtons. What happens to the dresser? 
a)
The dresser does not move. 
b)
The dresser moves towards Will. 
c)
The dresser moves towards Tammy. 
d)
The dresser moves towards Tammy, then back towards Will. 
7.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
8.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

a)

100kg

b)

1,250kg

c)

50kg

d)

5kg

9.
What is the magnitude (size) and direction of the net force?
a)
14 N Down
b)
14 N Up
c)
6 N Up
d)
6 N Down
10.
Two balls that collide will have an equal but opposite force upon one another
a)
First Law
b)
Second Law
c)
Third Law
d)
Law of Inertia
11.

Weight is_____. Mass is__________.

a)

affected by gravity, affected by gravity

b)

affected by gravity, not affected by gravity

c)

not affected by gravity, affected by gravity

d)

not affected by gravity, not affected by gravity

12.

Net force is:

a)

The change in position of an object over time

b)

The total amount of force on an object

c)

The amount of matter in an object

d)

The effect of gravitational force on the mass of an object

e)

A push or pull on an object that puts it in motion

13.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
14.

The force exerted by ropes and chains is called

a)

tension

b)

normal

c)

gravity

d)

friction

15.
A box is moving to the left up a ramp. Which way is the force of friction pointing?
a)
down the ramp to the right
b)
up the ramp to the left
c)
there is no friction
d)
straight up
16.
What forces act on the ball as it moves around the "perfectly smooth" loop? ("perfectly smooth" suggests there is NO friction)
a)
normal, friction, tension
b)
normal, friction
c)
normal, gravity, tension
d)
normal, gravity
17.
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
a)
Friction
b)
Centripetal Force
c)
Gravity
d)
Inertia
18.

A toy car is following a circular path with a constant speed of v=3 m/s . If the radius of the circular path is 1 m, find The centripetal acceleration of the car

a)

30 m/s2

b)

3 m/s2

c)

9 m/s2

d)

6 m/s2

19.
Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.
a)
10 N
b)
20 N
c)
30 N
d)
40  N
20.
A rocket with less ________ will have a greater acceleration.
a)
Mass
b)
At Rest
c)
Reaction
d)
Resist
21.

Is it possible for an object moving in a circle with a constant speed to accelerate?

a)

No, if the speed is constant then the acceleration is equal to zero.

b)

No, an object can accelerate only if there is a net force acting on it.

c)

Yes, although the speed is constant, the direction of the velocity can be changing.

d)

Yes, if an object is moving it can experience acceleration

22.
A horse gallops around a circular arena.  The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
23.
Which of the following units is used for tangential velocity?
a)
m/s2
b)
N
c)
J
d)
m/s
24.

A car is rounding a bend as shown in the diagram. Which arrow correctly shows the direction of the cars velocity?

a)

A

b)

B

c)

C

d)

D

25.
Objects that are changing their speed or their direction 
a)
force
b)
energy
c)
acceleration
d)
friction

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