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Net force acting on a particle is always...

Net force acting on a particle is always perpendicular to its velocity then : -

A

Acceleration is constant

B

momentum is constant

C

kinetic energy is constant

D

particle is moving in circular path

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle, the motion of the particle takes place in a plane. It follows that

    A
    Its velocity is constant
    B
    Its acceleration is constant
    C
    Its acceleration is constant
    D
    It moves in a straight line

  • A particle executes a S.H.M. of amplitude 4 cm and period 4 sec. If at time t=0, the net force acting on the particle is zero, then its velocity at that point is given by

    A
    `2pi cm//s`
    B
    `pi cm//s`
    C
    `pi//2 cm//s`
    D
    `(3pi)/(4) cm//s`

  • A force of constant magnitude acts on a particle in such a way that it always remains perpendicular to its velocity .

    A
    Kinetic energy of the particle remains constant .
    B
    Velocity of the particle remains constant .
    C
    Acceleration of particle changes continuously
    D
    Particle moves on a circular path .

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