Home
Class 11
PHYSICS
Acceleration of a particle changes when...

Acceleration of a particle changes when

A

direction of velocity changes

B

magnitude of velocity changes

C

Both (a) and (b)

D

speed changes

Text Solution

Verified by Experts

The correct Answer is:
C
Acceleration is a vector quantity. So, it changes when both magnitude and direction of velocity change.
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    DC PANDEY|Exercise Check point 3.4|15 Videos

  • MOTION IN A PLANE

    DC PANDEY|Exercise Check point 3.5|25 Videos

  • MOTION IN A PLANE

    DC PANDEY|Exercise Check point 3.2|10 Videos

  • MOTION

    DC PANDEY|Exercise Medical entrances gallery|19 Videos

  • PROJECTILE MOTION

    DC PANDEY|Exercise Level - 2 Subjective|10 Videos

Similar Questions

Explore conceptually related problems

A particle moves in straight line. Acceleration of particle changes with velocity as showns in graph:

A particle starts from rest (at x = 0) when an acceleration is applied to it. The acceleration of the particle changes with its co-ordinate as shown in the fig. Find the speed of the particle at x = 10m .

Assertion : Acceleration of a moving particle can change its direction without any change in direction of velocity. Reason : If the direction of change in velocity vector changes, the direction of acceleration vector also changes.

Initial velocity and acceleration of a particles are as shown in the figure. Acceleration vector of particle remain constant. Then radius of curvature of path of particle :

Let v and a be the instantaneous velocity and acceleration of a particle moving in a plane. Then rate of change of speed (dv)/(dt) of the particle is equal to

Refering to v-s diagram, find: . a. Acceleration of the particle when its velocity becomes half of the initial velocity. b. Total distance covered by the particle.

A particle executing simple harmonic motion with an amplitude 5 cm and a time period 0.2 s. the velocity and acceleration of the particle when the displacement is 5 cm is

Assertion : Acceleration of the particle in uniform circular motion remain constant. Reason : Velocity of the particle doesn’t change in circular motion.