Home
Class 11
PHYSICS
A Spinning wheel A is brought in contact...

A Spinning wheel A is brought in contact with another wheel, B initially at rest. Becouse of the friction at contact, the second wheel also starts spinning. Which of the following energies of the wheel B increase?

A

Kinetic

B

Total

C

Mechanical

D

Internal

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • HEAT AND TEMPERATURE

    HC VERMA|Exercise Exercises|30 Videos

  • HEAT AND TEMPERATURE

    HC VERMA|Exercise Exercise|4 Videos

  • HEAT AND TEMPERATURE

    HC VERMA|Exercise Objective 1|12 Videos

  • GRAVITATION

    HC VERMA|Exercise Exercises|39 Videos

  • HEAT TRANSFER

    HC VERMA|Exercise EXERCIESE|1 Videos

Similar Questions

Explore conceptually related problems

A spinning wheel is brought in contact with an identical wheel spinning identical speed. The wheels slow down under the action of friction. Which of the following energies of the frist wheel decrease.

A torque of 20 N-m is applied on a wheel initially at rest. Calculate the angular momentum of the wheel after 3 sec.

A strap is passing over a wheel of radius 30 cm. During the time the wheel moving with initial constant velocity of 2 rev/sec. comes to rest the strap covers a distance of 25 m. The deceleration of the wheel in rad/s is

The drwing shows a bicycle wheel of radius r, resting against a small step whose height is h = r//5 . A clockwise torque increases, there comes a time when the wheel just begins to rise up and loses contact with the ground. Let this torque be T. What is the magniitude of the horizontal component of the acceleration of the centre of the wheel when a torque of 2T is applied? Assume that the wheel doesn't slip at the edge of the step when this torque is applied (ignore the mass of the spokes).

A spinning wheel divided into eight sectors. Three of these sectors are painted red and the remaining five are painted white, as shown. The wheel is spinned. What Is the probability of getting (i) a wheel sector? (ii) a red sector?

A uniform rod is placed on two spinning wheels as shown in figure. The axes of the wheels are separated by a distance l=20 cm , the coefficient of friction between that in this case the rod performs harmonic oscillations. Find the period of these oscillations.

A wheel with 4 spokes is placed with its plane perpendicular to a uniform magnetic field B of magnitude 0.5 T. The field is directed into the plane of the paper and is present over the entire region of the wheel as shown in Fig. When the switch S is closed, there is initial current of 6 A between the axis and the rim and the wheel begins to rotate. Resistances of the spokes are 1, 2, 4 and 8 Omega , respectively. Resistance of rim is negligible. a. What is the direction of rotation of the wheel? b. Radius of the wheel is 0.2 m. Calculate initial torque acting on the wheel.