An old man was standing on a bus stand carrying a very heavy luggage. Saurabh was looking
at the old man and finding him uncomfortable, requested him to put down the luggage and
helped him in doing so.
a) Did the old man do any work while holding the luggage?
b) What is the equation for work done against gravity?
c) Why did Saurabh ask the old man to put down the luggage?.
Answers
Answered by
11
Answer:
in the thinking way from physics there is no potentianal energy acting on him and there is frictional force is zero.
A. thinking in the way of physics the man not doing the any work. but in daily life we can say he is doing work.
B.W=might
C.because the old man carrying more language
Answered by
2
Answer:
Old man carry heavy luggage. We have to find work is done by the old man.
Explanation:
a)
Zero work is done by the old man because displacement of the body is zero.
b)
Work done , W = F.s
W = Fsθ
W=Fs(°)
W = Fs
c)
Saurabh asked to old man because he is carrying heavy luggage and finding him uncomfortable.
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