Home
Class 11
PHYSICS
A point situated on a wheel decelerates ...

A point situated on a wheel decelerates obeying the relation `omega= omega_(0) - atheta` is angular displacement counted from t = 0. Which of the following graphs represents the angular acceleration of the wheel.

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HORIZONTAL CIRCULAR MOTION

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-II (Tangential and Radial acceleration, Centripetal Force) (Straight Objective Type Questions))|9 Videos

  • HORIZONTAL CIRCULAR MOTION

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-III (Applications of Circular Motion) (Straight Objective Type Questions))|7 Videos

  • GRAVITATIONAL

    AAKASH SERIES|Exercise EXERCISE -3|154 Videos

  • KINEMATICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED)) (Integer Type Questions)|12 Videos

Similar Questions

Explore conceptually related problems

A solid body rotates about a stationary axis so that its angular velocity depends on the rotational angle (phi) as omega= omega_(0) - kphi where omega_(0) and K are positive constant, At the moment t=0, phi= 0, the time depen dence of rotation angle is

A uniform rod of mass m and length l is pivoted smoothly at point O as shown in figure. If a horizontal force F acts at the bottom of the rod and omega is the angular velocity of the rod which is a function of angle of rotation theta , then the maximum angular displacement of the rod is (Acceleration due to gravity, g)

A cord of negligible mass is wound round the rim of a fly wheel of mass 20 kg and radius 20 cm. A steady pull of 25 N is applied on the cord as shown in Fig. 7.35. The flywheel is mounted on a horizontal axle with frictionless bearings. (a) Compute the angular acceleration of the wheel. (b) Find the work done by the pull, when 2m of the cord is unwound. (c) Find also the kinetic energy of the wheel at this point. Assume that the wheel starts from rest. (d) Compare answers to parts (b) and (c).

A string is wrapped around a wheel of radius r. The axis of the wheel is horizontal and its M.I. about the axis is I. Weight mg is tied to free end of the string which is released to fall down from rest position. The angular velocity of the wheel after it has fallen through distance .h. will be