Mechanical Energy Review

What are the groups in Mechanical Energy?

• Potential Energy and Thermal Energy
• Thermal Energy and Electrical Energy
• Kinetic Energy and Potential Energy
• There are none.

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NGSS.MS-PS3-2

Kinetic energy is

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NGSS.MS-PS3-1

When does Kinetic Energy happen?

• When an object is at rest or in motion.
• When an object is colliding.

• When an object is at rest.
• When an object is in motion.

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NGSS.MS-PS2-1

NGSS.MS-PS3-4

What is Potential Energy?

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NGSS.MS-PS3-2

Describe Potential Energy

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NGSS.MS-PS3-2

When a rock is on a slope what kind of Energy does is have?

• Potential Energy

• Gravitational Potential Energy

• Elastic Potential Energy

• Frictional Potential Energy

When a bow is stretched and loaded with an arrow about to hit a can on a stick what are the kind of Energies in the scenario.

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NGSS.MS-PS3-2

Where is Elastic Potential Energy used is in the scenario of a hotel hall with elevators?

• At the bottom of the elevator.

• When the elevator is being cleaned
• When on the floor.

• When the elevator is moving.

Tags

NGSS.MS-PS3-2

How does friction affect mechanical energy?

• Friction increases mechanical energy.

• Friction decreases mechanical energy.

• Friction has no effect on mechanical energy.

• Friction converts mechanical energy into heat.

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NGSS.MS-PS3-4

What type of energy is associated with a compressed spring?

• Gravitational potential energy

• Elastic potential energy

• Thermal energy

• Mechanical energy