The velocity time graph of a ball moving on the surface of a floor is shown in the figure. Find the force acting on the ball if the mass of the ball is 50 gram.
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mass of ball is m=200g=0.2kg
acceleration of ball is slope of a=
dt
dv
=
4−0
20−0
=5m/s
2
Force=F=ma=0.2∗5=1N
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