Power

Power is defined as work done divided by the time used to do the work
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Questions #: 6
Time: 5 minutes
Pass Score: 80.0%
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________ is defined as work done divided by the time used to do the work

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Write the power formula

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Explanation

Two engines power comparison

if two engines do the same amount of work, what advantage is there to using the more powerful engine?

The more powerful one can do the work in less time

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Explanation

The unit of Power is

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Explanation

Find the distance formula for the following problem

A particular machine is capable of a power of 1000 watts.  How far can it lift a 50-newton weight (about 11 pounds) in 3 seconds?

To answer this, combine the work and power formulas to get \(P=\frac{Fd}{t}\) and use your knowledge of algebra to find the formula for d.  Write the whole formula as d = ________

POINTS (1)

Correct Answer

Explanation

Calculate the distance in the following problem

A particular machine is capable of a power of 1000 watts.  How far can it lift a 50-newton weight (about 11 pounds) in 3 seconds? ________ meters

Missing
POINTS (1)

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Explanation

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7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC

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