Physics-
General
Easy
Question
A block B is pushed momentarily along a horizontal surface with a coefficient of sliding friction μ between B and the surface Block B will come to rest after a time.
The correct answer is:
Related Questions to study
physics-
A mass m rests on a horizontal surface. The coefficient of friction between the mass and the surface is μ .If the mass is pulled by a force F as shown in figure, the limiting friction between the mass and the surface will be.
A mass m rests on a horizontal surface. The coefficient of friction between the mass and the surface is μ .If the mass is pulled by a force F as shown in figure, the limiting friction between the mass and the surface will be.
physics-General
physics-
The coefficient of static friction between contact surface of two bodies is 1 The contact surface of one body supports the other till the inclination is less than.
The coefficient of static friction between contact surface of two bodies is 1 The contact surface of one body supports the other till the inclination is less than.
physics-General
physics-
The coefficients of static and dynamic frictions are 0.7 and 0.4.The minimum force required to create motion is applied on a body, and if it is further continued, the acceleration attained by the body is..
The coefficients of static and dynamic frictions are 0.7 and 0.4.The minimum force required to create motion is applied on a body, and if it is further continued, the acceleration attained by the body is..
physics-General
physics-
A boy of mass M is applying a horizontal force to slide a box of mass M1 on a rough horizontal surface The coefficient of friction between the shoes of the boy and the floor is μ and that between the box and the floor is μ1 In which of the following cases it is certainly not possible to slide the box?
A boy of mass M is applying a horizontal force to slide a box of mass M1 on a rough horizontal surface The coefficient of friction between the shoes of the boy and the floor is μ and that between the box and the floor is μ1 In which of the following cases it is certainly not possible to slide the box?
physics-General
physics-
Consider the situation shown in figure The wall is smooth but the surfaces of A and B in contact are rough. The friction on B due to A in equilibrium
Consider the situation shown in figure The wall is smooth but the surfaces of A and B in contact are rough. The friction on B due to A in equilibrium
physics-General
physics-
It is easier to pull a lawn roller than to push it because pulling.
It is easier to pull a lawn roller than to push it because pulling.
physics-General
physics-
In the above question mass of the block is...
In the above question mass of the block is...
physics-General
physics-
The component of weight which equals friction, so that the block does not slide on a wedge is...
The component of weight which equals friction, so that the block does not slide on a wedge is...
physics-General
physics-
Due to friction ____ energy is produced.
Due to friction ____ energy is produced.
physics-General
physics-
The maximum frictional force when the body is ready to start is called.
The maximum frictional force when the body is ready to start is called.
physics-General
physics-
Rolling friction is always...
Rolling friction is always...
physics-General
physics-
The block in the above question is maintained at the position by external means and the level of liquid is lowered. The height h2 when this external force reduces to zero is...
The block in the above question is maintained at the position by external means and the level of liquid is lowered. The height h2 when this external force reduces to zero is...
physics-General
physics-
A wooden cylinder of diameter 4r, height h and density ρ/3 is kept on a tank of diameter 2r filled with liquid of density ρ as shown in figure. Now level of the liquid starts decreasing slowly. When the level of liquid is at a height hs above the cylinder the block starts moving up. At what value of h1 , will the block rise ?
A wooden cylinder of diameter 4r, height h and density ρ/3 is kept on a tank of diameter 2r filled with liquid of density ρ as shown in figure. Now level of the liquid starts decreasing slowly. When the level of liquid is at a height hs above the cylinder the block starts moving up. At what value of h1 , will the block rise ?
physics-General
physics-
A body floats in a liquid contained in a beaker, the whole system as shown falls freely under gravity. The up thrust on the body is
A body floats in a liquid contained in a beaker, the whole system as shown falls freely under gravity. The up thrust on the body is
physics-General
physics-
A block of wood of length 50cm and area of cross section 10cm2 floats in water with 
of its length above water. Calculate the weight of wood.
A block of wood of length 50cm and area of cross section 10cm2 floats in water with of its length above water. Calculate the weight of wood.
physics-General
