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different examples for work are

you work on science problems.

you got to work

your toaster oven doesnt work

raking out the tash is too much work

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work is done only when a ____causes a change in the position or motion of an object in the direction of the applied force.

force

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____is calculated by multiplying the ____ by the ______ over which the force was applied.

work, force, distance

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the unit of work and energy was named in honor of the english physicist ____ _____ ____

James Prescott Joule

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because work is calculated as ____times ____it is measured in units of newtons times meters, N•m

force, distance

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A Nm can be converted into a_____.

joule

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a _____is also equivalent to: 1kg•m2/s2

joule

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the quantity that measures work in relation to time is _____

power

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power is the ____ at which ___is done

rate, work

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write the equation for power in word form:

power equals work divided by time

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give the symbolic formula for power:

p=W/t

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write the equation for work in word form

work equals force times distance

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give the symbolic formula for work

W=F•d

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whats equal to the total number of lawns mowed

work

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whats equal to the rate of mowing

power

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the SI unit of power is the

Watt

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a ___is the amount of power required to do 1 joule of work in 1 second

Watt

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work is done only when ____causes a change in the position or the motion of an object in the direction of the applied force.

force

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Symbolic formula for power

P=W/t

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A Watt is equal to a _____.

j/s

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Watt

one joule of work performed in one second

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Joule

equals one Newton-meter

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Power

amount of work performed over time

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Work

force times distance

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Simple Machine

an unpowered mechanical device

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mechanical advantage

quantity that measures how much a machine multiplies force or distance

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