Physics
General
Easy

Question

As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

  1. a greater than fraction numerator m g over denominator m end fraction
  2. a greater than g over m
  3. a ≥ g
  4. a<g

The correct answer is: a ≥ g

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