Home
Class 12
PHYSICS
A particle of mass m is tied to light st...

A particle of mass m is tied to light string and rotated with a speed v along a circular path of radius r. If T=tension in the string and `mg=` gravitational force on the particle then actual forces acting on the particle are

A

mg and T only

B

mg, T and an additional force of `mv^(2)//r` directed inwards

C

mg, T and an additational force of `mv^(2)//r` directed outwards

D

only a force `mv^(2)//r` directed outward

Text Solution

Verified by Experts

The correct Answer is:
a
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    D MUKHERJEE|Exercise All Questions|79 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m moves with constant speed v on a circular path of radius r. Find magnitude of average force on it in half revolution.

A particle of mass m moves with constant speed v on a circular path of radius r as shown in figure. The average force on it during its motion from A to B is

Knowledge Check

  • A particle of mass m is moving in a plane along a circular path of radius r . Its angular momentum about the axis of rotation is L . The centripetal force acting on the particle is.

    A
    `(L^2)/(mr)`
    B
    `(L^2 m)/( r)`
    C
    `(L^2)/(mr^3)`
    D
    `(L^2)/(mr^2)`

  • A particle of mass M moves with constant speed along a circular path of radius r under the action of a force F. Its speed is

    A
    `sqrt((r F)/(m))`
    B
    `sqrt((F)/(r))`
    C
    `sqrt(F m r)`
    D
    `sqrt((F)/(m r))`

  • A particle of mass 'm' moves with a constant speed along a circular path of radius r under the action of a force F .Its speed is given by

    A
    `sqrt((Fr)/(m))`
    B
    `sqrt((F )/(mr ))`
    C
    `sqrt((F )/(r ))`
    D
    `sqrt(Fmr)`

    • Similar Questions

    Explore conceptually related problems

    A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is

    A paricle of mass m is tied to a light string of length L and moving in a horizontal circle of radius r with speed v as shown. The forces acting on the particle are

    A paticle of mass m is executing uniform circular motion on a path of radius r . If p is the magnitude of its linear momentum, then the radial force acting on the particle is

    A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :

    A stone of mass ied to a string of lengh l rotating along & a circular path with constant speed v. The torque on the stone is

    Home
    Profile