Mechanical energy

What are the units for energy?

• Watts

• Joules

• Newtons

• meters

What energy do you produce riding your bike? __________

• Sound Energy
• Mechanical Energy
• Light Energy
• Electrical Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When does an object have no kinetic energy?

• when it is at rest
• when it is moving very slowly
• when the only force that is acting on it is gravity
• when it has no electrical charge

Tags

NGSS.4-PS3-1

What is an example of potential energy?

• A book sitting on a shelf

• A car moving down the highway

• A person playing basketball

Tags

NGSS.MS-PS3-2

What is the definition of mechanical energy?

• the energy that stored in the object due to the work done on it.

• the sum of an object's kinetic and potential energy

• the transfer of energy to an object by using a force that causes the object to move in the direction of the force

Tags

NGSS.MS-PS3-4

What are the two forms of energy that make up mechanical energy?

• Chemical

• Potential

• Kinetic

• Electrical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

when the kinetic energy of an object is 30 J and its potential energy is 50 J, so its mechanical energy is ................. J

• 100

• 20

• 1500

• 80