Mechanical Energy Exam

As the mass of an object decreases, kinetic energy increases.

• true

• false

Tags

NGSS.MS-PS3-1

As a car speeds up, its kinetic energy increases.

• true

• false

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Moving a book to a higher shelf decreases its potential energy.

• true

• false

Tags

NGSS.MS-PS3-2

A rock at the edge of a cliff has potential energy because of its position.

• true

• false

Tags

NGSS.MS-PS3-2

A stretched rubber band has elastic potential energy.

• true

• false

According to the law of conservation of energy, energy cannot be created or destroyed.

• true

• false

Tags

NGSS.MS-PS3-2

NGSS.MS-PS1-4

All objects in motion have what type of energy?

• gravitational potential energy

• elastic potential energy

• kinetic energy

Tags

NGSS.MS-PS3-1

The faster an object moves, the ________ kinetic energy it has.

• more

• less

• all of the above

Tags

NGSS.MS-PS3-1

__________ energy is stored energy.

• Potential

• Kinetic

• None of the above

Tags

NGSS.MS-PS3-2

Gravitational potential energy depends on the ________ and ________ of the object.

• Height and mass

• Friction and movement

• Mass and Movement

Tags

NGSS.MS-PS3-2