Question

26.) A body of mass 10Kg is taken
from a height of 10m to 20m. The
increase in potential energy is - *​

Answer 1

Explanation:

GIVEN

MASS = 10 kg

WE KNOW THAT

Work = Force * Distance

Force (in Newtons) exerted by a mass m is : F = m * g

(assuming we are on Earth, that is)

where g is the acceleration due to gravity, 9.81 m/s/s

Therefore Work = Mass * g * Distance

= 10 * 9.81 * 5

=490.5 Joules