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Force and Motion

Total questions: 52

Worksheet time: 52mins

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.
Calculate the net force shown in the  diagram?
a)
0N
b)
400 N
c)
600 N
d)
800 N
3.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
4.
Look at the diagram. What would be the direction of the motion ?
a)
movement to the left
b)
movement to the right
c)
no movement
5.

If both people are exerting a force of 20 N, what is the net force?

a)

20 N

b)

40 N

c)

400 N

d)

0 N

6.
Are the forces acting on the sled in Section 1 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
7.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
8.
A girl is pushing a cart by herself with a force of 7 N. What will happen if a boy begins to help her and their combined force is 17 N?
a)
The cart will speed up.
b)
The cart will slow down.
c)
The cart will move at a constant speed in a straight line.
d)
The cart will fly to never never land!
9.
Are forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?
a)
Balanced
b)
Unbalanced
10.
At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?
a)
A and B
b)
B and C
c)
A and C
d)
A, B and C
11.

What is potential energy?

a)

The energy an object has due to its atomic structure.

b)

The energy an object has due to its chemical composition.

c)

The energy an object has due to its motion.

d)

The energy an object has due to its position or condition.

12.

What is kinetic energy?

a)

The energy an object has due to its position or condition

b)

The energy an object has due to its motion

c)

The energy an object has due to its chemical composition

d)

The energy an object has due to its atomic structure

13.

When is potential energy transformed into kinetic energy?

a)

When an object at rest is lifted to a higher elevation.

b)

When an object at rest remains at rest.

c)

When an object at rest is put into motion.

d)

When an object in motion is stopped and put at rest.

14.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
15.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
16.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
17.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
18.
Find speed when distance is 142 km and time is 2 hours.
a)
71km/hr
b)
52km/hr
c)
17km/hr
d)
90km/hr
19.
A boat travels at 22 km/hr for 10 hrs, what distance will it travel?
a)
220 miles
b)
2.2 km
c)
220 km
d)
22 km
20.
A truck travels down the highway at a speed of 110 km/hr.  How long does the trip last if the truck covered 2200 km?
a)
0.05 hours
b)
20 hours
c)
2,090 hours
d)
242,000 hours
21.
A bird flies at a speed of 4 m/s.  It flies for 2160 seconds from its nest to the field.  How much distance did the bird cover?
a)
540 meters
b)
8,640 meters
c)
2164 meters
d)
2156 meters
22.
The speedometer on your car tells you
a)
average velocity
b)
instantaneous velocity
c)
average speed
d)
instantaneous speed
23.
What is this graph representing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
24.
In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
25.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
26.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
27.
Acceleration is defined as the CHANGE in 
a)
time of motion to another place. 
b)
velocity 
c)
distance 
d)
speed
28.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
29.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
30.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
31.

Force is a -

a)

push or pull

b)

only a push

c)

only a pull

d)

none of the above

32.
A 50 kg skater pushed by a friend accelerates 5 m/sec2.  How much force did the friend apply?
a)
45 N
b)
15 N 
c)
10 N
d)
250 N
33.

An object with a mass of 10 kg is accelerated upward at 2 m/s2. What force is required? (a)   Newtons

34.

What net force is required to accelerate a car at a rate of 2 m/s2 if the car has a mass of 3,000 kg? (a)   Newtons

35.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
36.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
37.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
38.
Which runner had a head start?
a)
A
b)
B
c)
C
39.

At what point is the speed the greatest?

a)

C-D

b)

B-C

c)

A-B

d)

D-E

40.

What is happening during point A to B?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 10 m/s2 acceleration

41.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 0 m/s2 acceleration

42.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
43.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
44.

What law is best described

a)

1st

b)

2nd

c)

3rd

d)

law of motion

45.

What law is best described

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia (1st law)

b)

The Law of Acceleration (2nd law)

c)

The Law of Conservation of Momentum

d)

Action Reaction Law (3rd law)

46.
a)

1

b)

2

c)

3

d)

All of the above

47.

. Force exerted between the surfaces of two objects.

a)

Friction

b)

Inertia

c)

Forces

d)

Gravity

48.

Object tendency to resist change

a)

Friction

b)

Inertia

c)

Forcé

d)

Gravity

49.

Which one of Newton's laws is shown

a)

3rd law

b)

2nd law

c)

1st law

50.

What does this picture represent

a)

Force,magnetism,acceleration

b)

Force, money, Apples

c)

Force, Mass, Acceleration

d)

Funny, monkeys, Arrive

51.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

52.

This is Newton's 2nd law

a)

True

b)

False

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