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Balanced Forces when act on a body, the body either continues the state of rest or Uniformmotion. Unbalanced force may change the state of an object and produces acceleration. A property called inertia is the inherent property of an object which resists any change in the state of the body when force is applied. Mass of an object is measure of inertia. 1x 4 19 (i) An object having mass 2kg is moving with constant velocity of 5ms-1. How much Force is acting on the body (A) infinite force (B) zero (C) 10 newton (D) 2.5 newton |
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Answer» (i) (B) Zero Explanation: F=ma F=2×0 =0 |
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