Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
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
(1) AB (2) BC (3) CD (4) DE
A) 1, 2 and 3 are correct.
B) 1 and 2 are correct.
C) 2 and 4 are correct.
D) 1 and 3 are correct.
Correct Answer: D
Solution :
In region AB and CD. slope of the graph is constant ie, velocity is constant. It means no force is acting on the particle in this region.
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