A person of mass 50kg carrying a load of 20kg walks up a staircase .if the width and heigth of each step are 0.2m and 0.2m respectively,the work done by the man in walking up 20 steps is (g= 10ms)
Answer (1)
2nd Nov, 2020
Hi,
A person of mass 50kg carrying a load of 20kg walks up to a staircase. If the width and height of each step are 0.2m and 0.2m respectively,
Total mass (m)=50kg + 20kg =70kg
Heighth (h)=20×0.2=4m
The work done her is the potential energy=mgh=70×10×4=2800 J
Hope this helps!
Comments (0)
Related Questions
Trending Articles/News
