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Which of the following is a unit of temp...

Which of the following is a unit of temperature?
a) Degree
b) Meter
c) Second
d) Fahrenheit

Text Solution

Verified by Experts

Mass of man = 40 kg, `g=10 m/s^2`
FrictioN/Al force developed between hands, legs and block side with the wall the weight of man. So he remains inequilibrium.
He gives equal force on both the walls so gets equal rectionR from both the walls. If he appies uneuqual forces R should be different the can't rest between the walls.
From the free body diagram

`muR+muR=40g`
`rarr 2muR=40xx10`
`rarr r=(40xx10)/(2xx0.8)=250N`
The normal force =250N`
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