Home
Class 11
PHYSICS
A simple pendulum having bob of mass m i...

A simple pendulum having bob of mass m is suspended from the ceiling of a car used in a stunt film shooting. The car moves up along an inclined cliff at a speed v and makes a jump to leave the cliff and lands at some the top of the cliff. The tension in the string when the car is in air is

A

`mg`

B

`mg-(mv^2)/R`

C

`mg+(mv^2)/R`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    HC VERMA|Exercise Objective -2|7 Videos
  • CIRCULAR MOTION

    HC VERMA|Exercise Exercises|30 Videos
  • CIRCULAR MOTION

    HC VERMA|Exercise Question for short Answer|10 Videos
  • CENTRE OF MASS, LINEAR MOMENTUM, COLLISION

    HC VERMA|Exercise Exercises|64 Videos
  • FLUID MECHANICS

    HC VERMA|Exercise All Questions|96 Videos

Similar Questions

Explore conceptually related problems

A simple pendulum of length l is suspended from the ceilling of a car moving with a speed v on a circular horizontal road of radius r. a. Find the tension in the string when it is at rest with respect to the car. b.Find the time period of small oscillation.

A simple pendulum is constructed by attaching a bob of mass m to a string of length L fixed at its upper end. The bob oscillates in a vertical circle. It is found that the speed of the bob is v when the string makes an angle theta with the vertical. Find the tension in the string at this instant.

A simple pendulum of length l and having a bob of mass M is suspended in a car. The car is moving on a circular track of radius R with a uniform speed v. If the pendulum makes small oscillations in a radial direction about its equilibrium position, what will be its time period ?

A simple pendulum is suspended from the ceiling of a car taking a turn of radius 10 m at a speed of 36 km/h. Find the angle made by the string of the pendulum with the vertical if this angle does not change during the turn. Take g=10 m/s^2 .

A car is speeding up on a horizontal road with an acceleration a. Consider the following situations in the car. i. A ball is suspended from the ceiling through a string and is maintaining a constant angel with the vertical. Find this angle. Ii. A block is kept on a smooth incline and does not slip on the incline. Find the angle of the incline with a horizontal.

A bob suspended from the ceiling of a car which is accelerating on a horizontal road. The bob stays t rest with respect to the car when the string is making an angle theta with the vertical.The linear momentum of the bob as seen from the road is increasing with momentum? If not, where is the external force which changes the linear momentum?

A pendulum having a bob of mas m is hanging in a ship sailing along the equator from east to west. When the ship is stationary with respect to water the tension in the string is T_0 . a. Find the speed of the ship due to rotation of the earth about its axis. b. find the difference between T_0 and the earth's attraction on the bob. c. If the ship sails at speed v, what is the tension in the string ? Angular speed of earth's rotation is omega and radius of the earth is R.

A car moves with a speed of 54 kmh^-1 towards a cliff. The horn of the car emits sound of frequency 400 Hz at a speed of 335 m s^-1 . (a) Find the wavelength of the sound emitted by the horn in front of the car. (b) Find the wavelength of the wave reflected from the cliff (c) What frequency does a person sitting in the car hear for the reflected sound wave ? (d) How many beats does he hear in 10 seconds between the sound coming directly from the horn and that coming after the reflection ?