a man weighing 80kg climbs a staircase carrying a 20kg load the staircase has 40 steps each of height 25cm if he takes 20 seconds to climb the work is
Answer (1)
Student Expert
23rd Mar, 2020
Hi
Total mass is 100 kg.
and total distance covered by man is 40 *25/100=10m.
now work done =mgh
=100*10*10. (g=10)
10000.
Thank you
Comments (0)
