    Question

# Column-IColumn-II(i) For a particle moving in a circle(a) The accleration may be perpendicular to its velocity(ii) For a particle moving in a straight line(b) The acceleration may be in the direction of velocity(iii) For a particle undergoing projectile motion with angle of projection α;0≤α≤π2(c) The acceleration may be at some angle θ(0≤θ≤π2)with the velocity(iv) For a particle is moving in space(d) The acceleration may be opposite to velocity

A
i-a,b, ii-b, iii-a,c, iv-a,b,c,d
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B
i-a,c, ii-b,d iii-a,c, iv-a,b,c,d
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C
i-a,b, ii-b iii-a,c, iv-a,b,c,d
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D
i-a,b, ii-b,d iii-a,c, iv-a,b,c,d
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Solution

## The correct option is D i-a,c, ii-b,d iii-a,c, iv-a,b,c,di. In the uniform circular motion, the acceleration and the velocity are perpendicular to each other, but in non uniform circular motion the angle between the velocity and the acceleration lies between 0 to π/2. ii. In a straight line motion, the acceleration vector and the velocity vector are collinear to each other, i.e., the angle between them is either 0 or 180∘ iii. In a projectile motion, the angle (θ) between th velocity and the acceleration can vary from 0<θ<π iv. In space angle between velocity and acceleration may be 0≤θ≤π  Suggest Corrections  0      Related Videos   Acceleration
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