Home
Class 12
PHYSICS
A pendulum bob swing from the point P wh...

A pendulum bob swing from the point P when the ideal string of length l is horizontal. Find the
(A) Speed
(B) Acceleration of the bob
(C ) Power delivered by gravity at an angular position `theta`

Text Solution

Verified by Experts

`(A)v=sqrt(2glsintheta),`
`(B)theta=(sqrt(1+3sin^(2)theta)g,`
`(C)mg(sqrt(2glsintheta)costheta`
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|37 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - A)|64 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-I (SUBJECTIVE TYPE QUESTIONS)|6 Videos

  • WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A simple pendulum is released from rest with the string in horizontal position. The vertical component of the velocity of the bob becomes maximum, when the string makes an angle theta with the vertical. The angle theta is equal to

A stone tied to an inextensible string of length l = 1 m is kept horizontal. If it is released, find the angular speed of the stone when the string makes an angle theta = 30^@ with horizontal.

A bob is attached to one end of a string other end of which is fixed at ped A . The bob is taken to a position where string makes an angle of 30^(@) with the horizontal. On the circular path of the bob in vertical plane there is a peg 'B' at a symmetrical position with respect to the position of release as shown in the figure. If V_(c) and V_(a) be the minimum speeds in clockwise and anticlokwise direction respectively, given to the bob in order to hit the peg 'B' then ratio V_(c) : V_(a) is equal to :

A bob is attached to one end of a string other end of which is fixed at ped A . The bob is taken to a position where string makes an angle of 30^(@) with the horizontal. On the circular path of the bob in vertical plane there is a peg 'B' at a symmetrical position with respect to the position of release as shown in the figure. If V_(c) and V_(a) be the minimum speeds in clockwise and anticlokwise direction respectively, given to the bob in order to hit the peg 'B' then ratio V_(c) : V_(a) is equal to :

A particle is projected with a speed v at an angle theta with the horizontal. Find the mean power delivered by gravity during the ascent of the particle.

A simple pendulum is hanging from the roof of a trolley which is moving horizontally with acceleration g. If length of the string is L and mass of the bob is m, then time period of oscillation is

A bob of mass m attached to an inextensible string of length I is suspended from a vertical support. The bob rotates in a horizontal circle with an angular speed omega red/s about the vertical. About the point of suspension:

A simple pendulum of length l swimings from a small angle theta . Its swinging is constrained by the smooth inclined planes OP and PC. Assuming elastic collision of the bob with the plane PC, find angular amplitude for the motion of the bob in the left hand side of its mean possition. .

A pendulum consists of a wooden bob of mass M and length l . A bullet of mass m is fired towards the pendulum with a speed v . The bullet emerges immediately out of the bob from the other side with a speed of v//2 and the bob starts rising. Assume no loss of mass of bob takes place due to penetration. If the bob is just able to complete the circular motion, then tension at the lowest point just when the bob starts rising will be

A conical pendulum consists of a simple pendulum moving in a horizontal circle as shown in the figure. C is the pivot, O the centre of the circle in which the pendulum bob moves and omega the constant angular velocity of the bob. If vecL is the angular momentum about point C , then