Types of Forces

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

What force ultimately slows the roller coaster to a stop?

• Applied

• Normal

• Friction

• Gravitational

Look at the illustration below of a block sitting on a table-top. The magnified view illustrates a force that exists between the two objects.

Which type of force is demonstrated in the magnified view?

• normal force

• applied force

• gravitational force

• frictional force

Name the missing force....

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

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

Name the missing force...

• tension force
• gravitational force
• normal force
• applied force

Name the missing force...

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

Name the missing force...

• applied force
• weight force
• lift
• normal force

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.
• The marble’s speed would increase.
• The marble would stop immediately. 
• The marble would remain at constant speed.