Forces and Energy

Which demonstrates contact force? 

• static electric shock when you touch a doorknob in winter
• using a magnet to pick up paper clips
• holding your soda
• an apple falling from a tree

What type of energy?  A cell phone buzzing.

• electric
• sound
• nuclear
• thermal

What type of energy in the picture

• electric
• mechanical
• nuclear
• thermal

What type of energy in the picture

• electric
• radiant
• nuclear
• thermal

What type of energy in the picture

• electric

• mechanical

• nuclear

• thermal

What type of energy in the picture

• electric
• mechanical
• nuclear
• thermal

What type of energy - a car battery

• radiant
• thermal
• sound
• electric

What type of energy?  friction

• radiant
• thermal
• sound
• electric

What type of energy?  lifting

• mechanical
• thermal
• sound
• electric

What type of energy?  using uranium

• radiant
• thermal
• nuclear
• electric