Work,Force And Energy Flashcards

1
Q

Unit of work

A

Joule

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2
Q

Unit of force

A

Newton

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3
Q

Formula for finding the potential energy of a stretched spring

A

1
—kxsquare
2
(Spring constant and stretched distance)

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4
Q

The potential energy of an object placed at a height

A

M into G into H

Mass into gravity into height

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5
Q

Kinetic energy of a moving object

A

1
— into mass into speed square
2

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6
Q

Work equals

A

Force into displacement

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7
Q

Force of gravity

A
  1. 8 m/s

9. 80665

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8
Q

When speed in a moving object doubles ,the kinetic energy will increase by

A

Four times

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