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The value of static frictional force is-

AMore than external force

BEqual to the external force

CLess than the external force

DNone of thes

Answer:

B. Equal to the external force

Read Explanation:

friction is the opposing for when the body tries to move.the force of friction that comes in to play between the surfaces of two bodies before the body actually starts to moving is called static friction.it is a self adjusting force so it will become the external force


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Define free-body diagram.
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which of the following statements is/are true regarding the law of static friction

  1. the force of friction is dependent on the area of contact between the two forces
  2. the force of friction depends on the roughness of the surfaces
  3. the ratio of limiting friction to normal reaction is constant
    Coulomb friction is the friction between ?