Questions
A man is running on ground the coefficient of friction between man and ground is . Assume that the center of mass of man moves horizontally Then which statement is incorrect :
detailed solution
Correct option is C
When a man runs on the ground he applies a force backward direction friction prevents the motion in the backward direction by acting in the forward direction and its maximum applied force is ma, must be equal to μmg hence maximum acceleration will be μg.Talk to our academic expert!
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An ice block of mass 8 kg is dragged along a rough horizontal surface (=0.4) uniformly through 42 m. If all the heat produced is completely absorbed by block then mass of ice that melts is ( L= 80 cal/gm, g = 10m/s2)
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