Module 2 Lesson 1: Kinetic Energy

As mass decreases, kinetic energy increases.

• True

• False

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As a car slows down, its kinetic energy increases.

• true

• false

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Kinetic energy is the energy of ____________ .

• rest

• matter

• motion

• distance

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Which would increase the kinetic energy of a wagon?

• add mass to the wagon

• change the direction of the wagon

• decrease the weight of the wagon

• keep the wagon at rest

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Which would increase the kinetic energy of a bike?

• decrease the weight of the bike

• keep the bike at rest

• increase the speed of the bike

• decrease the speed of the bike

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A dump truck, a sports car, and a bicycle are traveling at the same velocity.

Which has the least kinetic energy?

• dump truck

• sports car

• bike

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Which has kinetic energy?

• a tank of gasoline

• a moving car

• a battery

• water in a reservoir

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Which type of energy does an object not have if it is not moving?

• kinetic energy

• gravitational potential energy

• elastic potential energy

• chemical potential energy

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Which indicates what happens to the kinetic energy when the mass of a moving object increases?

• The kinetic energy does not change.

• The kinetic energy increases by the same factor as the mass increase.

• The kinetic energy increases by the square of the same factor as the mass increase.

• The kinetic energy decreases by the same factor as the mass increase.

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Which indicates what happens to the kinetic energy of an object when its speed increases?

• The kinetic energy does not change.

• The kinetic energy increases by the same factor as the speed increase.

• The kinetic energy increases by the square of the same factor as the speed increase.

• The kinetic energy decreases by the same factor as the speed increase.

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