Calculate the work done on an object of mass 20kg to to a height of 10 m.
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Given :
- Mass of the object = m = 20 kg
- Height to which the object is raised = 10 = h metres
- Acceleration due to gravity = g = 10 m/s²
Answer:
Force = m × g
= 20 × 10
=200 N
we know that
Work = force × displacement
= 200 × 10
= 2000 j
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