A particle of mass 0.3 kg is subjected to a force What will be the initial acceleration it is released from a point?
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Solution
mass of the
particle, m = 0.3 kg applied force, F = - kx; k=15N/m x=20cm=0.2m Let the acceleration of the particle=a Using the Newton’s 2nd law of motion we get, F=m×aor,−kx=ma or, −15×0.2=0.3×aor,a=−3.0/0.3 or, a=−10m/s2