WEP Flashcards

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1
Q

Work

A

A force as the product of displacement and the component of the force parallel to the displacement

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2
Q

Mechanical Energy

A

The sum of gravitational potential energy and kinetic energy at a point

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3
Q

Power

A

The rate at which work is done

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4
Q

Gravitational Potential Energy

A

The energy an object possesses due to its position relative to the reference point

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5
Q

Kinetic energy

A

The energy an object has as a result of the object’s motion

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6
Q

Power Efficiency

A

The ratio of output to input power

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7
Q

Law of Conservation of Energy

A

The total energy of a system cannot be created or destroyed only transform from one form to another.

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8
Q

Principle of Conservation of mechanical energy

A

In the absence of air resistance or any other external forces, the mechanical energy of an object is constant.

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9
Q

Work Energy Theorem

A

The work done by an object is equal to the change in the kinetic energy of the object

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10
Q

Calculate Wnet

A

Wnet=Change in Ek

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