A block of mass M is pulled along a horizontal friction surface by a rope of mass m . If a force P is applied at the free end of the rope, the force e - Physics MCQ AIEEE 2003 2026 | ExamTest.live

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A block of mass M is pulled along a horizontal friction surface by a rope of mass m . If a force P is applied at the free end of the rope, the force exerted by the rope on the block is:

Solution & Step-by-step Explanation

Total mass of system = M + m .Acceleration a = \frac{P}{M + m} .Force exerted by rope on block is the force needed to accelerate mass M : F = M \times a = \frac{PM}{M + m}

Try it yourself before checking the explanation above.

A block of mass M is pulled along a horizontal friction surface by a rope of mass m . If a force P is applied at the free end of the rope, the force exerted by the rope on the block is:

\frac{P m}{M + m}

\frac{P m}{M - m}

P

\frac{PM}{M + m}

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