Identifying Forces and Free Body Diagrams

​Classification of Force

​Types of Contact

Force:

a. applied

b. friction

c. normal​

Multiple Choice

Name the missing force....

• weight force
• normal force
• frictional force
• tension force

Multiple Choice

Name the missing force...

• applied force
• weight force
• lift
• normal force

Multiple Choice

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

Multiple Choice

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

• inertia

• momentum

• friction

• applied force

Multiple Choice

What forces are on a leopard laying on a log?

• F_g & F_app

• F_b & F_g

• F_g & F_N

• F_f & F_N

Multiple Choice

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

Multiple Choice

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

• force of gravity

• normal force

• friction force

• applied force

Multiple Choice

Name the missing force...

• thrust
• frictional force
• normal force
• weight force

Multiple Choice

The force exerted by ropes and chains is called

• tension

• normal

• elastic

• mechanical

Draw

Draw a force diagram for an apple hanging from a tree.

Draw

Draw a force diagram for an apple falling from a tree.

Draw

Draw a force diagram for a Bentley accelerating to the right.

Draw

Draw a force diagram for a person climbing a rope.

Draw

Draw a force diagram for a box resting on a ramp.