Which expression represents the change in gravitational potential energy when a body…

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

Which expression represents the change in gravitational potential energy when a body of mass

m

is moved vertically from height

h_{1}

h_{2}

near the Earth’s surface? (a)

\frac{1}{2}mg(h_{2}^{2}-h_{1}^{2})

(b)

mg(h_{2}-h_{1})

(c)

mg(h_{1}-h_{2})

(d)

mgh_{2}