Qstnid -A-10-give Examples Where (A) The Velocity Of A Particle Is Zero But Its Acceleration Is Not Zero, (B) The Velocity Is Opposite In Direction To The Acceleration, (C) The Velocity Is Perpendicular To The Acceleration. - 03: Rest And Motion: Kinematics - Cbse-xi-physics

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CBSE-XI-Physics

03: Rest and Motion: Kinematics

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#10
Give examples where (a) the velocity of a particle is zero but its acceleration is not zero, (b) the velocity is opposite in direction to the acceleration, (c) the velocity is perpendicular to the acceleration.
Ans : (a) At the highest point when a particle is thrown vertically upwards. (b) While going up when a particle is thrown vertically upwards. (c) At the highest point of a full projectile.

#10-a
the velocity of a particle is zero but its acceleration is not zero,
Ans : At the highest point when a particle is thrown vertically upwards.

#10-b
the velocity is opposite in direction to the acceleration,
Ans : While going up when a particle is thrown vertically upwards.

#10-c
the velocity is perpendicular to the acceleration.
Ans : At the highest point of a full projectile.