A small block of mass m rests on a smooth wedge of angle θ. With what horizontal acceleration a should the wedge be pulled, as shown in figure, so that the block falls freely?

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Q. A small block of mass rests on a smooth wedge of angle . With what horizontal acceleration should the wedge be pulled, as shown in figure, so that the block falls freely?

Questions from Laws of Motion

1. A car of mass 1000 kg moves on a circular track of radius 20 m. If the coefficient of friction is 0.64, then the maximum velocity with which the car moves is

2. A stone of mass is lying on the floor of a train which is accelerating with . The net force acting on the stone is

3. In the following figure, an object of mass is at rest at point . lf and are the reaction and the frictional force, respectively, then

4. A bomb moving with velocity explodes into two pieces of mass ratio . After explosion the smaller piece moves away with velocity . The velocity of larger piece after explosion is

5. A coin placed on a rotating table just slips if it is placed at a distance from the centre. If we double the angular velocity of the table, then the coin will just slip when it is away from the centre at a distance equal to

Physics Most Viewed Questions

1. If and respectively denote energy and gravitational constant, then has the dimensions of:

2. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

3. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury

Latest Updates

Q. A small block of mass rests on a smooth wedge of angle . With what horizontal acceleration should the wedge be pulled, as shown in figure, so that the block falls freely?

Questions from Laws of Motion

1. A car of mass 1000 kg moves on a circular track of radius 20 m. If the coefficient of friction is 0.64, then the maximum velocity with which the car moves is

2. A stone of mass is lying on the floor of a train which is accelerating with . The net force acting on the stone is

3. In the following figure, an object of mass is at rest at point . lf and are the reaction and the frictional force, respectively, then

4. A bomb moving with velocity explodes into two pieces of mass ratio . After explosion the smaller piece moves away with velocity . The velocity of larger piece after explosion is

5. A coin placed on a rotating table just slips if it is placed at a distance from the centre. If we double the angular velocity of the table, then the coin will just slip when it is away from the centre at a distance equal to

Physics Most Viewed Questions

1. If and respectively denote energy and gravitational constant, then has the dimensions of:

2. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

3. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ? (density of mercury

Latest Updates

5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury