Physics Concepts and Principles

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Joule (J)

Back

Metric unit of energy; lifting an apple, which weighs about one newton. If you raise the apple one meter in the air, you've used one joule of work.

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Velocity

Back

v = d/t. The speed and direction of a moving object.

Front

7 forms of energy

Back

Mechanical, radiant, sound, chemical, heat, electrical, nuclear.

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Physics

Back

The study of matter and energy and the interactions between the two through forces and motion.

Front

Kinetic Energy (J)

Back

1/2mv²: The energy of objects in motion.

Front

Potential Energy (J)

Back

The energy stored in objects according to mass and height (mgh).

Front

Acceleration of Gravity

Back

9.8 m/s² is the force on objects on Earth.

Front

First Law of Thermodynamics

Back

Energy is neither created nor destroyed, but may be converted from one form to another.

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Newton's First Law of Motion

Back

An object in motion will stay in motion, and an object at rest will stay at rest, unless acted upon by an unbalanced force.

Front

Newton's Second Law of Motion

Back

The acceleration of an object is dependent upon the force acting on the object and the mass of the object. F = ma.