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Types of Energy

Study Slideshow

What vocabulary word means, "the unit of measurement for energy."

joules

The law of conservation of energy states:

the total amount of energy will remain constant and energy can't be created or destroyed.

Height is measured in what units?

meters

If the height of an object changes, the amount of what changes?

Gravitational Potential Energy

Gravitational Potential Energy is defined as?

The amount of energy stored in an object that can fall

What is defined as, "the energy of motion?"

Kinetic Energy

What is the total (or sum) of potential & kinetic energy for an object?

Mechanical Energy

What occurs when a force moves an object over a distance and is measured in joules?

Work

Define power (include the unit of measurement).

The rate at which work is done Watts

You do 900 J of work while moving a sofa. If it took you 5 seconds to move the sofa, how much power did you generate?

180 W

A jogger whose mass is 75 kg is moving at a speed of 3 m/s. What is the jogger’s kinetic energy?

337.5 J

What is the height of a phone with a mass of 0.15 kg that has a GPE of 90 J.

61.2 m

What is the value acceleration of gravity on earth?

9.8 m/s2

You push an ice block with a force of 200 N. If you move it 10 m, how much work did you do on it?

2000 J

What type of energy is stored in chemical bonds, such as in food or gasoline?

Chemical Energy

What type of energy is stored in a rubber band?

Elastic Energy