Question

A body of mass m falls down through a vertical height h. Obtain an expression for work done by force of gravity.

please help​

Answer 1

Answer:

Let a body of mass m fall down through a venial height h either directly or through an inclined plane e.g. a hill. slope or staircase. The force of gravity on the body is F=mg acting vertically downwards and the displacement in the direction of force (i.e.. vertical) is S=h.

Therefore the work done by the force of gravity is W=FS=mgh

Explanation:

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Answer 2

Answer:

Let a body of mass m fall down through a venial height h either directly or through an inclined plane e.g. a hill. slope or staircase. The force of gravity on the body is F=mg acting vertically downwards and the displacement in the direction of force (i.e.. vertical) is S=h.

Therefore the work done by the force of gravity is W=FS=mgh