ShowPer Page

When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:

NETNUST Entry TestPhysicsCircular Motion

The angular speed of a particular moving along a circular path is $5\pi rad sec^{-1}$. Its period of motion is:

NETNUST Entry TestPhysicsCircular Motion

Angular velocity is:

NETNUST Entry TestPhysicsCircular Motion

In rotational motion, angular of force F is called:

NETNUST Entry TestPhysicsCircular Motion

A wheel of diameter 100 cm makes 0.5 rev $sec^{-1}. The linear speed of a particle on its rim is:

NETNUST Entry TestPhysicsCircular Motion

Angular speed for the daily rotation of Earth in radian per hour is:

NETNUST Entry TestPhysicsCircular Motion

Circular motion is an example of motion in:

NETNUST Entry TestPhysicsCircular Motion

The useful unit of angular displacement in SI unit is:

NETNUST Entry TestPhysicsCircular Motion

The circumference of a circle is equal to:

NETNUST Entry TestPhysicsCircular Motion

Radian is defined as the angle subtended at the centre of a circle by an arc of:

NETNUST Entry TestPhysicsCircular Motion

A wheel, 2 m in diameter, makes 15 rev/min, the linear speed of point on its rim (in m/sec) is:

NETNUST Entry TestPhysicsCircular Motion

A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the centre is:

NETNUST Entry TestPhysicsCircular Motion

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

NETNUST Entry TestPhysicsCircular Motion

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 $m/sec^{2}$ in this case, find radius of the circular path:

NETNUST Entry TestPhysicsCircular Motion

If a toy car moves with a uniform speed of 2 m/sec in a circle of 0.4 m radius. His angular velocity in rev/sec is:

NETNUST Entry TestPhysicsCircular Motion

A 1000 kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:

NETNUST Entry TestPhysicsCircular Motion

A rotating wheel accelerates up to the value of 0.75 $rev/sec^{2}$ after 2 seconds of its start. Its angular velocity becomes:

NETNUST Entry TestPhysicsCircular Motion

The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:

NETNUST Entry TestPhysicsCircular Motion

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed v of the car is:

NETNUST Entry TestPhysicsCircular Motion

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 $m/sec^{2}$, then its angular velocity in rad/sec is:

NETNUST Entry TestPhysicsCircular Motion

Centripetal force performs:

NETNUST Entry TestPhysicsCircular Motion

A rotating body tends to be slower, when its angular acceleration is:

NETNUST Entry TestPhysicsCircular Motion

When a body moves along a circular path with constant speed, it has an acceleration, which is always directed:

NETNUST Entry TestPhysicsCircular Motion

One radian is equal to:

NETNUST Entry TestPhysicsCircular Motion

When angular acceleration is positive, the body rotates:

NETNUST Entry TestPhysicsCircular Motion