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Worksheets

PT Fall Semester Exam

Total questions: 55

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

a)

50 miles

b)

25 miles

c)

100 miles

d)

75 miles

2.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
3.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
4.

This graph demonstrates an object that is -

a)

Increasing speed away from the start

b)

Moving away from the start at a constant speed

c)

Decreasing speed toward the start

d)

Moving toward the start at a constant speed

5.
Which line represents an object moving at a faster speed?
a)
A
b)
B
6.
How long did one of the runner's rest?
a)
8 seconds
b)
13 seconds
c)
5 seconds
d)
50 seconds
7.

Which would fall with greater acceleration in a vacuum—a leaf or a stone?

a)

the leaf

b)

the stone

c)

They would accelerate at the same rate.

d)

It is difficult to determine without more information.

8.

What is the average speed of a car that travels 35 meters in 12 seconds?

a)

None

b)

3.1 m/s

c)

35 m/s

d)

2.9m/s

9.

Which of the following units could you use when measuring a speed?

a)

meters

b)

m/s

c)

seconds

d)

m/s2

10.

Which of the following units could you use when measuring an acceleration?

a)

meters

b)

m/s

c)

seconds

d)

m/s2

11.

Which of the following units could you use when measuring a time interval?

a)

meters

b)

m/s

c)

seconds

d)

m/s2

12.

If a car is moving at constant velocity, the car's acceleration is...

a)

0 m/s2

b)

9.8 m/s2

c)

-9.8 m/s2

d)

not enough information

13.

A ball falls for 3 seconds. How fast will it be moving when it hits the ground?

a)

327 m/s

b)

3.27 m/s

c)

29.4 m/s

d)

9.8 m/s

14.

A rock is dropped from a cliff. It takes 5.88 seconds for the rock to reach the bottom of the cliff. What in the height of the cliff?

a)

28.8 m

b)

57.6 m

c)

169 m

d)

339 m

15.

In which of the following situations is the object’s acceleration zero?

a)

A skateboarder slowing and then rolling to a stop

b)

A ball falling after being dropped from the top of a building

c)

A car traveling at a constant speed down a straight road

d)

A sprinter taking off at the beginning of a race

16.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
17.
An airplane accelerates down a runway at 3.20 m/s/s
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.
a)
0.4 m/s
b)
25.6 m/s
c)
2.5 m/s
18.
How do you combine vectors if they are in opposite directions?
a)
Add
b)
Subtract
c)
Pythagorean Theorem
d)
Use trigonometry
19.

Vector is a quantity with:

a)

magnitude and direction

b)

magnitude

c)

direction

d)

none of the above

20.
What is the Net Force?
a)
5 N to the right
b)
10 N to the right
c)
15 N to the right
d)
0 N
21.

What is the resultant of the two vectors shown above?

a)

5 upward

b)

5 downward

c)

15 upward

d)

15 downward

22.
Two objects - one with mass m and the other with mass 2m - are released from rest at the same height. Which object hits the ground first?
a)
mass m
b)
mass 2m
c)
both objects hit the ground at the same time
d)
unable to determine with information given
23.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
24.

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

25.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
26.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
27.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
28.

Name the missing force...

a)

weight force

b)

normal force

c)

applied force

d)

frictional force

29.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
30.
a)

1st

b)

2nd

c)

3rd

31.

A 20 kg bike accelerates at 10 m/s2. what was the force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

32.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
33.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
34.

Which of Newton's laws are illustrated with a rocket launch?

a)

1st Law, the Law of Inertia.

b)

2nd Law, the Law of Acceleration.

c)

3rd Law, the Law of Action Reaction

d)

The Law of Conservation of Mass

35.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
36.

Which has more MASS? A kilogram of feathers or a kilogram of iron?

a)

a. They have the same mass

b)

b. The feathers

c)

c. the iron

37.

The amount of matter in an object

a)

Weight

b)

Mass

c)

Volume

d)

Circumference

38.

The one that stays the same no matter where you are.

a)

Bass

b)

Weight

c)

Mass

d)

Weather

39.

What unit measures weight?

a)

grams

b)

Newtons

c)

centimeters

40.

Why would you weigh less on the moon compared to Earth?

a)

less air

b)

less sunlight

c)

more gravitational pull

d)

less gravitational pull

41.

What is the weight of a 456g object?

a)

456g

b)

0.456kg

c)

4.56N

d)

456N

42.

What statement is true?

a)

Mass never changes. Weight does.

b)

Weight never changes. Mass does.

c)

Both mass and weight change because they are affected by gravity.

d)

Neither mass nor weight change. They are always the same.

43.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
44.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

45.

Match description with free-body diagram.

a)

A book is at rest on a tabletop.

b)

A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.

c)

An egg is free-falling from a nest in a tree. Neglect air resistance.

d)

A flying squirrel is gliding (no wingflaps) from a tree to the ground at constant velocity. Consider air resistance.

46.

What is the force of friction between a block of ice that weighs 950 N and the ground if μ = .12?

a)

65 N

b)

226 N

c)

175 N

d)

114 N

47.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
48.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
49.
What is the rate at which Earth's gravity accelerates objects in free fall?
a)
9.8 m/s2
b)
3.14159 km/hr/s
c)
13.7 m/s2
d)
42 km/h/s
50.

A 800N man is playing on a seesaw with son who has a weight of 200N. If the child is sitting 3 meters away, how far will the man have to sit to balance the seesaw?

a)

0.75m

b)

3m

c)

1.5m

d)

1m

51.
What is the Unit for Torque
a)
Nm
b)
N
c)
W
d)
J
52.

Calculate torque

a)

33.33 Nm

b)

.03 Nm

c)

300 Nm

53.

You push a wrench with a perpendicular force of 35 N. You hold the wrench handle at 0.40 m from the pivot point. Calculate the torque applied to the wrench.

a)

14 N∙m

b)

87.5 N∙m

c)

34.6 N∙m

d)

219 N∙m

54.

The mass of the Sun is 2.0 × 1030 kg and the mass of the Earth is, me = 5.97 × 1024kg. The distance from the Earth is 1.50 × 1011km. What is the gravitational force between the Sun and the Earth?

(G = 6.67 × 10-11 N m-2 kg-2)

a)

1.54 x 1022 N

b)

2.54 x 1022 N

c)

3.54 x 1022 N

d)

4.54 x 1022 N

55.

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

a)

2.96x10-9N

b)

3.00x10-6N

c)

2.22x10-9N

d)

2.23x10-8N