146104 A box of mass \(2 \mathrm{~kg}\) is placed on a inclined plane that makes \(30^{\circ}\) with the horizontal. The coefficient of friction between the box and inclined plane is 0.2 . A force \(F\) is applied on the box perpendicular to the incline to prevent the box from sliding down. The minimum value of \(F\) is(acceleration due to gravity \((\mathrm{g})=10 \mathrm{~ms}^{-2}\) )

146105 The coefficient of static friction between the road and tyres of a car is 0.4 . The maximum permissible speed of the car is \(10 \mathrm{~ms}^{-1}\) on curved unbanked road. Then the maximum radius of curvature of the road is (acceleration due to gravity \(=10 \mathbf{m s}^{-2}\) )

146106 The coefficient of friction between object and substance, if we need to move an object of weight \(150 \mathrm{~N}\) on a horizontal surface with a force of \(75 \mathrm{~N}\). is

146107 A block is lying at rest inside a bus. The maximum acceleration of the bus such that the block remain stationary (the static friction coefficient \(=0.2\), acceleration due to gravity \(=\) \(10 \mathrm{~ms}^{-2}\) )

146104 A box of mass \(2 \mathrm{~kg}\) is placed on a inclined plane that makes \(30^{\circ}\) with the horizontal. The coefficient of friction between the box and inclined plane is 0.2 . A force \(F\) is applied on the box perpendicular to the incline to prevent the box from sliding down. The minimum value of \(F\) is(acceleration due to gravity \((\mathrm{g})=10 \mathrm{~ms}^{-2}\) )

146105 The coefficient of static friction between the road and tyres of a car is 0.4 . The maximum permissible speed of the car is \(10 \mathrm{~ms}^{-1}\) on curved unbanked road. Then the maximum radius of curvature of the road is (acceleration due to gravity \(=10 \mathbf{m s}^{-2}\) )

146106 The coefficient of friction between object and substance, if we need to move an object of weight \(150 \mathrm{~N}\) on a horizontal surface with a force of \(75 \mathrm{~N}\). is

146107 A block is lying at rest inside a bus. The maximum acceleration of the bus such that the block remain stationary (the static friction coefficient \(=0.2\), acceleration due to gravity \(=\) \(10 \mathrm{~ms}^{-2}\) )

146104 A box of mass \(2 \mathrm{~kg}\) is placed on a inclined plane that makes \(30^{\circ}\) with the horizontal. The coefficient of friction between the box and inclined plane is 0.2 . A force \(F\) is applied on the box perpendicular to the incline to prevent the box from sliding down. The minimum value of \(F\) is(acceleration due to gravity \((\mathrm{g})=10 \mathrm{~ms}^{-2}\) )

146105 The coefficient of static friction between the road and tyres of a car is 0.4 . The maximum permissible speed of the car is \(10 \mathrm{~ms}^{-1}\) on curved unbanked road. Then the maximum radius of curvature of the road is (acceleration due to gravity \(=10 \mathbf{m s}^{-2}\) )

146106 The coefficient of friction between object and substance, if we need to move an object of weight \(150 \mathrm{~N}\) on a horizontal surface with a force of \(75 \mathrm{~N}\). is

146107 A block is lying at rest inside a bus. The maximum acceleration of the bus such that the block remain stationary (the static friction coefficient \(=0.2\), acceleration due to gravity \(=\) \(10 \mathrm{~ms}^{-2}\) )

146104 A box of mass \(2 \mathrm{~kg}\) is placed on a inclined plane that makes \(30^{\circ}\) with the horizontal. The coefficient of friction between the box and inclined plane is 0.2 . A force \(F\) is applied on the box perpendicular to the incline to prevent the box from sliding down. The minimum value of \(F\) is(acceleration due to gravity \((\mathrm{g})=10 \mathrm{~ms}^{-2}\) )

146105 The coefficient of static friction between the road and tyres of a car is 0.4 . The maximum permissible speed of the car is \(10 \mathrm{~ms}^{-1}\) on curved unbanked road. Then the maximum radius of curvature of the road is (acceleration due to gravity \(=10 \mathbf{m s}^{-2}\) )

146106 The coefficient of friction between object and substance, if we need to move an object of weight \(150 \mathrm{~N}\) on a horizontal surface with a force of \(75 \mathrm{~N}\). is

146107 A block is lying at rest inside a bus. The maximum acceleration of the bus such that the block remain stationary (the static friction coefficient \(=0.2\), acceleration due to gravity \(=\) \(10 \mathrm{~ms}^{-2}\) )