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The equations of motion are valid for which of the following types of motion?(a) Constant energy(b) Uniformly accelerated(c) Non-uniformly accelerated(d) Motion along a curveI had been asked this question in final exam.This interesting question is from Kinematic Equations for Uniformly Accelerated Motion in chapter Motion in a Straight Line of Physics – Class 11

Answer»

Correct ANSWER is (B) Uniformly accelerated

To ELABORATE: The three equations of motion are valid for uniformly accelerated motion. The equations do not work in situations where the acceleration is non-uniform. In that CASE it is BETTER to work with the differential forms of velocity and acceleration.



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