Free-body Diagram and Momentum

Name the missing force....

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

Name the missing force...

• applied force
• weight force
• lift
• normal force

Name the missing force...

• tension force
• frictional force
• normal force
• spring force

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

Name the missing force...

• thrust
• frictional force
• normal force
• weight force

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

• inertia

• momentum

• friction

• applied force

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

• normal

• abnormal

• static

• inertia

The force exerted by ropes and chains is called

• tension

• normal

• elastic

• mechanical

What symbol do we use to represent a "body" in a free-body diagram?

• small dot

• small figure

• an outline of a human body

• small triangle

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes