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Figure shows the displacement of a parti...

Figure shows the displacement of a particle going along the X-axis as a function of time. The force acting on the particle is zero in the region

A

AB

B

BC

C

CD

D

DE

Text Solution

Verified by Experts

The correct Answer is:
A
In the region AB, the displacement - time graph is a straight line whereas in all other regions it is curved. Thus, acceleration is zero in the region AB whereas it is non-zero in all other regions
According to Newton.s second law of motion, the force acting on the particle is F = ma
where m is the mass of the particle and a is its acceleration
for region AB = a = 0
`:. F = 0 `
Thus, the force acting on the particle is zero is region AB
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