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Rama09 [41]
3 years ago
10

What is the formula to calculate the mechanical advantage of a lever

Physics
1 answer:
Sophie [7]3 years ago
8 0
The formula for<span> </span>mechanical advantage<span> (MA) for levers: You can use the ratio of the input arm length to the output arm length (input/output): Most of the time, levers are used to multiply force to lift heavy objects.</span>
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Answer:

work done is -150 kJ

Explanation:

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volume v1 = 2 m³

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solution

we know from 1st law of thermodynamic is

Q = du +W    ............1

put here value and we get

-140 = 10 + W

W = -150 kJ

as here work done is -ve so we can say work is being done on system

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