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Worksheets

Free Body Diagrams

Total questions: 19

Worksheet time: 38mins

Name
Class
Date
1.

A diagram that shows all the forces acting on an object is called a (a)   body object.

2.

In diagrams, forces are represented using (a)   .

3.

The (a)   of the arrow shows the magnitude of the force.

4.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
5.
Name the missing force...
a)
tension force
b)
frictional force
c)
normal force
d)
spring force
6.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
7.
Name the missing force...
a)
thrust
b)
frictional force
c)
normal force
d)
weight force
8.

Whenever an object is moving, there is always this force opposing the motion:

a)

inertia

b)

momentum

c)

friction

d)

applied force

9.

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

10.

The force exerted by ropes and chains is called

a)

tension

b)

normal

c)

elastic

d)

mechanical

11.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

a)

No forces are missing

b)

The normal force from the table pushing the cup up.

c)

The normal force form the table pushing the cup down.

d)

The friction force from the table pushing the cup left and right.

12.

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

a)

None

b)

Gravity

c)

Gravity and Normal

d)

Gravity, Normal, and Friction

e)

Gravity, Normal, Friction, and Applied

13.

The car in the picture is moving at a constant velocity. What forces does the car experience?

a)

Gravity

b)

Gravity and Normal

c)

Gravity, Normal, and Friction

d)

Gravity, Normal, Friction, and Applied

14.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the

a)

force of gravity

b)

normal force

c)

friction force

d)

applied force

15.

The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...

a)

Up

b)

Right

c)

Down

d)

Left

16.
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.
17.

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

a)

gravity

b)

normal

c)

a push or pull

d)

friction

18.

What force opposes gravity when an object is on a surface?

a)

Applied Force

b)

Normal Force

c)

Frictional Force

d)

Air Resistance

19.

How many forces are on a leopard laying stationary on a log?

a)

1

b)

2

c)

3

d)

4