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Questions  

Choose the incorrect statement:

a
In one dimension motion, the velocity and the acceleration of an object are always along the same line
b
In two or three dimensions, the angle between velocity and acceleration vectors may have any value between 0 and 180°
c
The kinematic equations for uniform acceleration can be applied in case of a uniform circular motion
d
the instant acceleration of an object in circular motion is towards the centre only if the speed is constant

detailed solution

Correct option is C

The kinematic equations for uniform acceleration do not apply in case of uniform circular motion because in this case the magnitude of acceleration is constant but its direction is changing.

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Similar Questions

Statement -A : The net acceleration of a particle in circular motion is always along the radius of the circle towards the centre
Statement -B : The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point


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