Question

engine lifts a body 500 kg weight up to a height of 20 metre in 10 second find the total work done by the engine and the power of the engine in Kilowatt​

Answer 1

Answer:

ans. below

Explanation:

work = 5000x20 = 10∧5 Nm = 10∧5 j

power = 10∧4 w

Answer 2

Answer:

w = force x time

where force = m x a

500 × 20

10000 N

Explanation:

10000 × 10

100000 joules

= 10^4 joules

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