Question

Gravitational potential difference between surface
above its surface is 2 J/kg. If gravitational field is
of a planet and a point situated at a height of 20m
uniform, then the work done in taking a 5kg body
upto height 4 meter above surface will be:
(1) 2 J
(2) 20 J
(3) 40 J
(4) 10 J
​

Answer 1

Explanation:

Gravitational potential difference between surface

above its surface is 2 J/kg. If gravitational field is

of a planet and a point situated at a height of 20m

uniform, then the work done in taking a 5kg body

upto height 4 meter above surface will be:

(1) 2 J

(2) 20 J

(3) 40 J