A person of mass 50 kg carrying a load of 20 kg walks up a staircase. – McqOptions

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1.	A person of mass 50 kg carrying a load of 20 kg walks up a staircase. The width and height of each step are 0.25 m and 0.2 m respectively. What is the work done by the man in walking 20 steps?(Assume g = 10m/s2)
A.	800 J
B.	1600 J
C.	2000 J
D.	2800 J
Answer» E.

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