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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 4 - Laws of Motion > Figure shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1ms^−2 . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt? (Mass of the man =65kg)

Figure shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1ms^−2 . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt? (Mass of the man =65kg)

A shell of mass 0.020kg is fired by a gun of mass 100kg. If the muzzle speed of the shell is 80m/s. what is the recoil speed of the gun?