Forces and Energy

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

What kind of work is made easier by the wheels? 

• Pulling a heavy load. 
• Lifting a wide load.
• Dividing a large load. 
• Holding a small load. 

Why is it harder to pull a couch across carpet than tile?

• Magnetism 
• Gravity
• Friction
• A pull 

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

What is defined as a push or pull

• force
• motion
• vector
• speed

On which surface would friction be the greatest?

• carpet
• ice
• snow
• satin

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

What is the name for energy stored in a hot object?

• Thermal
• Potential
• Fire
• Electrical