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2025 Spring Exam - Physics 1

Total questions: 50

Worksheet time: 48mins

Name
Class
Date
1.

What does the F stand for on a free-body diagram?

a)

Free

b)

Fan

c)

Net

d)

Force

2.

In a force diagram, or free-body diagram, the size/length of the arrow tells you this about the force:

a)

relative strength

b)

relative distance

c)

relative direction

3.

Which of the following is true about this free-body diagram?

a)

the forces are are balanced

b)

the object is free-falling

c)

the object is moving upward

d)

the forces are unbalanced

4.

In a force diagram, or free-body diagram, the pointy-end of the arrow tells you this about the force:

a)

relative strength

b)

relative distance

c)

relative direction

5.

When determining the NET force on an object you should (TWO correct answers)

a)

subtract forces in opposite directions

b)

add forces in the same direction

c)

divide by velocity

d)

multiply by acceleration

6.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
7.

A hockey puck glides to the right across the ice at a constant speed.

a)
b)
c)
d)
8.

The down-arrow in this diagram is most-likely:

a)

gravity

b)

normal

c)

a push or pull

d)

friction

9.

If this object were moving right, the left-arrow in this diagram is most-likely:

a)

gravity

b)

normal

c)

a push or pull

d)

friction

10.

The force exerted by ropes and chains is called

a)

tension

b)

normal

c)

elastic

d)

mechanical

11.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

normal

b)

abnormal

c)

static

d)

inertia

12.
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 wing flaps) from a tree to the ground at constant velocity. Consider air resistance.
13.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

14.

Determine the force at G:

a)

30 N

b)

20 N

c)

50 N

d)

0 N

15.

What can you tell about the forces on F and H?

a)

They must be unbalanced.

b)

They are negative.

c)

They must be the same.

d)

They are equal to the net force.

16.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

17.
Calculate the net force acting upon the object.
a)
10 N north
b)
10 N south
c)
14.1 N east
d)
0 N
18.
Calculate the net force acting upon the object.
a)
10 N east
b)
0 N
c)
14.1 N east
d)
20 N north
19.

Determine the missing force at C:

a)

700 N

b)

200 N

c)

0 N

d)

1100 N

20.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
21.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

22.

What forces are on a leopard laying on a log?

a)

Fg & Fapp

b)

Fb & Fg

c)

Fg & FN

d)

Ff & FN

23.
Which one is balanced?
a)
top
b)
bottom
c)
both
24.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
25.
Which bowling ball has LESS kinetic energy
a)
8 m/s
b)
10 m/s
c)
they have the same amount of enery
d)
none of these
26.
When does that ball have the greatest potential energy?
a)
A
b)
B
c)
C
d)
D
27.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
28.
What is the unit of measurement for kinetic energy?
a)
Watts
b)
Joules
c)
Newtons
d)
Meters
29.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
30.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
31.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
32.

What is the Total Mechanical Energy at point A?

a)

500,000 J

b)

400,000 J

c)

200,000 J

d)

50,000 J

33.
You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, how much kinetic energy does it have?
a)
10 J
b)
100 J
c)
7 J
d)
20 J
34.
What is mechanical energy?
a)
It is what metal creates when heated.
b)
All potential and kinetic energy in a system.
c)
It is motion of all matter.
d)
Energy of momentum.
35.

A spring with spring constant 16 N/m is compressed by 0.5 m. How much energy is stored in the spring?

a)

1 J

b)

0.25 J

c)

2 J

d)

16 J

36.
A stiff material has a:
a)
high spring constant
b)
low spring constant
c)
spring constant of any value
d)
spring constant which is difficult to predict
37.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
38.
A 10-newton force is required to hold a stretched spring 0.20 meter from its rest position. What is the potential energy stored in the stretched spring?
a)
1 J
b)
2 J
c)
5 J
d)
50 J
39.
A 10-newton force is required to hold a stretched spring 0.20 meter from its rest position. What is the potential energy stored in the stretched spring?
a)
1 J
b)
2 J
c)
5 J
d)
50 J
40.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
41.
The total momentum before a collision is _________ the total momentum after a collision.
a)
equal to 
b)
less than 
c)
more than
d)
It depends on the type of collision
42.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
43.
This picture is an example of ____________
a)
Elastic Collision
b)
Inelastic collision
44.
Collisions can be ____________or ___________.
a)
fast or slow
b)
far or near
c)
elastic or inelastic
d)
none of the above
45.
Jorge noticed a collision outside the coffee shop where two cars collided and stuck together.  What type of collision did he observe?
a)

Partially Elastic

b)

Completely Inelastic

c)

Partially Inelastic

d)

Completely Elastic

46.

In any collision (crash) the ______ is ALWAYS constant

a)

total momentum

b)

total speed

c)

total Velocity

d)

Energy

47.
T/F:  A big truck will always have more momentum than a small car.
a)
True
b)
False
48.
The impulse acting on an object is always equal to its change in _____.
a)
Momentum
b)
Energy
c)
Position
d)
Velocity
49.

If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?

a)

2400 m/s

b)

1.5 m/s

c)

240 m/s

d)

.67 m/s

50.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec