Questions tagged 'angular displacement'

• In rotational motion of a rigid body, all particle move with
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• The angular speed of a fly–wheel making 120 revolution/minute is
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A flywheel gains a speed of 540 r.p.m. in 6 sec. Its angular acceleration will be
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A car is moving at a speed of 72 km/hr. the diameter of its wheels is 0.5 m. If the wheels are stopped in 20 rotations by applying brakes, then angular retardation produced by the brakes is
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A wheel is rotating at 900 r.p.m. about its axis. When the power is cut-off, it comes to rest in 1 minute. The angular retardation in $radian/s^2$ is
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A particle B is moving in a circle of radius a with a uniform speed u. C is the centre of the circle and AB is diameter. The angular velocity of B about A and C are in the ratio
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• Two particles having mass 'M' and 'm' are moving in circular paths having radii $R$ and $r$. If their time periods are same then the ratio of their angular velocities will be
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A body is in pure rotation. The linear speed v of a particle, the distance r of the particle from the axis and angular velocity $\omega $ of the body are related as $\omega =\frac{v}{r}$, thus
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• 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 $rad/s^2$ is
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration
• A particle starts rotating from rest. Its angular displacement is expressed by the following equation $\theta =0.025{{t}^{2}}-0.1t$ where $\theta $ is in radian and t is in seconds. The angular acceleration of the particle is
  Category: rotational-motion | Tags: angular displacement, velocity and acceleration

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