(iv) Observe the following figure and answer the questions :
N
Stand
Blic
GHHHOP
Questions :
(a) Which principle is explained in this figure?
(b) Which rule is used to find out the direction of force in this picture?
(c) In which machine is this principle used ? Draw a diagram showing the
working of that machine.
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i don't know about this question I think something is missing in this Question
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