Practice Net Force

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

• Free

• Fan

• Net

• Force

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

• the forces are are balanced

• the object is free-falling

• the object is moving upward

• the forces are unbalanced

Name the missing force...

• weight force
• normal force
• applied force
• frictional force

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

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• 
• 
• 

Which freebody diagram best represents a bookbag resting on the classroom floor?

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• 
• 
• 

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

• gravity

• normal

• a push or pull

• friction

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

• gravity

• normal

• a push or pull

• friction

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

• inertia

• momentum

• friction

• applied force

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

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