Question

A person lifts a box of mass 10 kg to a height of 2 meter in 5 seconds. His power is ________. (Take g = 10 m/s2)

Answer 1

Question :-

A person lifts a box of mass 10 kg to a height of 2 meter in 5 seconds. His power is ________. (Take g = 10 m/s2)

Answer :-

Given -

• mass, m = 10 kg

• displacement, s = 2 m

• time taken, t = 5 sec.

To Find -

Power,

P = mgs / t

= 10 × 10 × 2 / 5

= 10 × 2 × 2

= 40 watts

__________

. .