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. (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

with Solutions - page 2

#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. (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. (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.