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State Newton’s Second law of motion. Under what condition does it take the form F = ma? |
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Answer» Newton's second law of motion - The rate of change of momentum of a body is directly proportional to the force applied on it and this change in momentum takes place in the direction of the applied force, i.e., F ∝ ΔP/Δt where p denotes momentum and Δp is the change in momentum in time Δt. When mass m of the body is constant at velocity v (which is much smaller than the velocity of light c) then rate of change of momentum is: F = Δ/Δ = m (Δ/Δ) = ma F = ma |
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