Mechanics Formulas and Units Flashcards

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1
Q

what does this formula say?

A

velocity = distance divided by time

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2
Q

what does this formula say?

A

acceleration equals change in velocity divided by time

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3
Q

what does this formula say?

A

force equals mass times acceleration

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4
Q

what does this formula say?

A

pressure equals force divided by area

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5
Q

what does this formula say?

A

force equals mass times acceleration

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6
Q

what does this formula say?

A

potential energy equals mass times gravity times height

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7
Q

what does this formula say?

A

kinetic energy equals half times mass times velocity squared

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8
Q

what does this formula say?

A

work equals force times distance

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9
Q

what does this formula say?

A

power equals work divided by time

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10
Q

velocity is measured in

A

ms-1

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11
Q

acceleration is measured in

A

ms-2

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12
Q

force is measured in

A

Newtons, N

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13
Q

weight is measured in

A

Newtons, N

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14
Q

mass is measured in

A

kg

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15
Q

Work is measured in

A

Joules, J

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16
Q

Power is measured in

A

joules per second, Js-1

or

Watts, W

17
Q

Pressure is measured in

A

newtons per meter squared, Nm-2

or

Pascals, Pa

18
Q

Kinetic energy is measured in

A

Joules, J

19
Q

Potential energy is measured in

A

Joules, J

20
Q

to calculate weight given mass

A

times by gravity (10)

21
Q
A
22
Q
A
23
Q
A
24
Q
A
25
Q
A
26
Q
A
27
Q
A
28
Q
A
29
Q
A