Cengage NEET by C.P Singh
A block of mass m is in contact with the cart as shown in figure. The coefficient of static friction between the block and the cart is u. The acceleration a of the cart that will prevent the block from falling satisfies
09
Sep
A block of mass m is in contact with the cart as shown in figure. The coefficient of static friction between the block and the cart is u. The acceleration a of the cart that will prevent the block from falling satisfies A car starts from rest on a 1600 m long bridge. The coefficient [...]
A block is placed on a rough floor and a horizontal force F is applied on it.The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them.
09
Sep
A block is placed on a rough floor and a horizontal force F is applied on it.The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them. A car starts from rest on a 1600 m long bridge. The coefficient of [...]
A boy of mass M is applying a horizontal force to slide a box of mass M on a rough horizontal surface. The coefficient of friction between the shoe of the boy and the floor is μ and that between the box and the floor is μ. In which of the following cases it is certainly not possible to slide the box ?
09
Sep
A boy of mass M is applying a horizontal force to slide a box of mass M on a rough horizontal surface. The coefficient of friction between the shoe of the boy and the floor is μ and that between the box and the floor is μ. In which of the following cases it is [...]
A car starts from rest on a 1600 m long bridge. The coefficient of friction between the tyre and road is 0.8. The minimum time taken by the car to cross the bridge is
09
Sep
A car starts from rest on a 1600 m long bridge. The coefficient of friction between the tyre and road is 0.8. The minimum time taken by the car to cross the bridge is A car starts from rest on a 1600 m long bridge. The coefficient of friction between the tyre and road is [...]
A box is placed on an inclined plane and has to be pushed down. The angle of inclination is
09
Sep
A box is placed on an inclined plane and has to be pushed down. The angle of inclination is A box is placed on an inclined plane and has to be pushed down. The angle of inclination is September 9, 2020 Category: Cengage NEET by C.P Singh , Chapter 7 - Friction , Part 1 [...]
In the figure shows if the coefficient of friction is u then m2 will start moving upwards if
09
Sep
In the figure shows if the coefficient of friction is u then m2 will start moving upwards if In the figure shows if the coefficient of friction is u then m2 will start moving upwards if September 9, 2020 Category: Cengage NEET by C.P Singh , Chapter 7 - Friction , Part 1 ,
Two masses A and B of 10 Kg and 5 Kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as in figure. The coefficient of friction of A with the table is 0.2. The minimum mass of C that may be placed on A to prevent it from moving is equal to:
09
Sep
Two masses A and B of 10 Kg and 5 Kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as in figure. The coefficient of friction of A with the table is 0.2. The minimum mass of C that may be placed on A to [...]
Consider the situation as shown in the figure. The maximum value of m so that the blocks do not move is
09
Sep
Consider the situation as shown in the figure. The maximum value of m so that the blocks do not move is Consider the situation as shown in the figure. The maximum value of m so that the blocks do not move is September 9, 2020 Category: Cengage NEET by C.P Singh , Chapter 7 - [...]
A uniform metal chain is placed on a rough table such that one end of it hangs down over the edge of the table. When one-third of its length hangs over the edge, the chain starts sliding. Then the coefficient of static friction is
09
Sep
A uniform metal chain is placed on a rough table such that one end of it hangs down over the edge of the table. When one-third of its length hangs over the edge, the chain starts sliding. Then the coefficient of static friction is A uniform metal chain is placed on a rough table such [...]
A uniform rope of length ℓ meter is lying over a table if the coefficient of friction is μ, then the maximum length ℓ1 of the part of this rope which can over hang from the edge without sliding down is.
09
Sep
A uniform rope of length ℓ meter is lying over a table if the coefficient of friction is μ, then the maximum length ℓ1 of the part of this rope which can over hang from the edge without sliding down is. A uniform rope of length ℓ meter is lying over a table if the [...]