If the body is moving in a circle of radius r with a constant speed v , its angular velocity is
A cyclist turns around a curve at 15 miles/hour. If he turns at double the speed, the tendency to overturn is
A body of mass m is moving in a circle of radius r with a constant speed v . The force on the body is mv²/r and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle
If a particle moves in a circle describing equal angles in equal times, its velocity vector
A stone of mass m is tied to a string of length l and rotated in a circle with a constant speed v . If the string is released, the stone flies
A body is moving in a circular path with a constant speed. It has
A motor cyclist going round in a circular track at constant speed has
A particle P is moving in a circle of radius r with a uniform speed v. C is the centre of the circle and AB is a diameter. When passing through B the angular velocity of P about A and C are in the ratio
A particle moves with constant angular velocity in a circle. During the motion its
A stone tied to a string is rotated in a circle. If the string is cut, the stone flies away from the circle because
When a body moves with a constant speed along a circle
A body of mass moves in a circular path with uniform angular velocity. The motion of the body has constant
On a railway curve, the outside rail is laid higher than the inside one so that resultant force exerted on the wheels of the rail car by the tops of the rails will
A cyclist taking turn bends inwards while a car passenger taking same turn is thrown outwards. The reason is
A car sometimes overturns while taking a turn. When it overturns, it is
A tachometer is a device to measure
Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radii R and r such that their periods are the same. Then the ratio between their centripetal acceleration is
The ratio of angular speeds of minute hand and hour hand of a watch is
A car travels north with a uniform velocity. It goes over a piece of mud which sticks to the tyre. The particles of the mud, as it leaves the ground are thrown
An aircraft executes a horizontal loop with a speed of 150 m/s with its, wings banked at an angle of 12º. The radius of the loop is (g=10m/s²)
A particle is moving in a horizontal circle with constant speed. It has constant
A train is moving towards north. At one place it turns towards north-east, here we observe that
The angular speed of a fly wheel making 120 revolutions/minute is
A particle is moving on a circular path with constant speed, then its acceleration will be
A mass of 100 gm is tied to one end of a string 2 m long. The body is revolving in a horizontal circle making a maximum of 200 revolutions per min. The other end of the string is fixed at the centre of the circle of revolution. The maximum tension that the string can bear is (approximately)
