Question

a mass of 10 kilogram is at the point A on the table it is moved to a point B is the line joining a and b is what is the work done on the object by the gravitational force explain your answer?

Answer 1

Answer:

Explanation:

Mass = 10kg

if a and b is in linear position then work done = 0 as Newton’s third law is worked by the force of the object and the table accordingly.

if a is at a height h,and b is at the ground,

then, work = mgh

10 x 10 x h joules or if b isn’t on the ground and is in a height h1 such that it

is  below the height h then work = mg(h-h1)

if height h1 is greater than h,then work = mg(h1-h)

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