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Answers
The value of coefficient static friction is 7340 N.
Explanation:
It is stated that,
Mass = 50 kg
Angle of inclanation = 15 degree
Since the direction of friction is always opposite to the direction of motion, friction runs parallel to the surface between objects and perpendicular to the normal force. For example, if the crate you try to push (with a force parallel to the floor) has a mass of 100 kg, then the normal force would be equal to its weight
W=mg
=(50*9.8)
= 490 N
perpendicular to the surface. If the coefficient of static friction is 15 degree, you would have to exert a force parallel to the floor greater than the surface.
Fs = μsN
=(490*15)
= 7340 N
Hence, the friction is 7340 N.
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