Question

A man of mass 50kg runs up a flight
of 20 steps. If each step is 25cm
high, calculate the work done by the
man.​

Answer 1

Explanation:

If each step is 25 cm high, calculate the power used in climbing. Take g= 10 m/s^2. A body of mass 45 kg climbs up 20 steps in 20 sec.

Answer 2

Answer:

Concept: Work done= mass × g × height

Given: Height of each step= 25cm

Mass= 50 kg

No. of steps= 20

To find: Work done by the man.

Explanation: Work done= mass × g × height

= 50 × 10 × 5= 2500 J