p6 Flashcards

1
Q

scalar quantity is equal to the product of the diplacement

A

work

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2
Q

three things that are necessary to happen at work

A
  1. There must be an applied force
  2. There must be a displacement
  3. There must have a components
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3
Q

pushing a wall

A

no work is done

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4
Q

pushing a book across the table

A

work is done

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4
Q

force and displacement are perpendicular

A

no work is done

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5
Q

90°

A

no work is done

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6
Q

A

work is done

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7
Q

force displaces the object in its direction the work is done

A

positive work

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8
Q

direction force and the displacement are perpendicular

A

zero work

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9
Q

fore and the displacement are in opposite direction

A

negative work

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10
Q
A
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