Mechanical Energy

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion (kinetic energy) or its position (potential energy).

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Front

Give an example of mechanical energy in action.

Back

Riding a bike is an example of mechanical energy because the bike has moving parts.

Tags

NGSS.MS-PS3-1

Front

What does it mean when we say an object has moving parts?

Back

It means that the object can move or has components that can move, which can create mechanical energy.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Front

Which of the following does NOT have moving parts: sweater, fan, bicycle, car?

Back

Sweater does NOT have moving parts.

Front

What happens to a motorcycle on a dirt road?

Back

The dirt road rubs against the tires and causes the motorcycle to go slower because of friction.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

Which object shows mechanical energy: paper, fidget spinner, chair, eraser?

Back

Fidget spinner shows mechanical energy because it has moving parts.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward the center of the Earth.

Tags

NGSS.HS-PS2-4

Front

How does gravity affect objects?

Back

Gravity pulls objects down, making them fall to the ground.

Tags

NGSS.5-PS2-1

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5