Mechanical Energy (Kinetic + potential)

• 20 Joules

• 40 Joules

• 30 Joules

• 1.2 Joules

Tags

NGSS.MS-PS3-1

It is the energy of a moving object.

• Potential Energy

• Chemical Energy

• Elastic Energy

• Kinetic Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the Kinetic Energy of a 100 kg-object if it moving at 4m/s?

• 600 J

• 800 J

• 400 J

• 700 J

Tags

NGSS.MS-PS3-1

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

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-PS3-5

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 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

These two factors affect the gravitational attraction between two objects:

• weight and time

• time and distance

• mass & distance

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4