Question

21. Calculate the work done by a force of 30 N in lifting a load of 2 kg to a height of 10 m (take g is equal to 10 ms-2) *

Answer 1

Answer:

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Answer 2

Answer:

given -- force = 30N, Mass = 2kg, Displacement = 10m, g = 10ms-2.....Work Done = ??

Here, work done is equal to potential energy : PE

Explanation:

PE : = M * G * H. so,

PE : = 2 * 10 * 10,

PE : = 200 joules

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