Home
Class 12
PHYSICS
In the arrangement shown in figure coeff...

In the arrangement shown in figure coefficient of friction between `5kg` block and incline plane is `mu=0.5`. Friction force acting on the `5kg` block is

A

`20 N`

B

`15N`

C

`10 N`

D

`5 N`

Text Solution

Verified by Experts

The correct Answer is:
C

`f_(min)=mumgcos37^(@)`
`20N`
But `2g+f=5gsin37^(@)`
`rArrf=10N`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A force of 100 N is applied on a block of mass 3kg as shown below. The coefficient of friction between wall and the block is 1//4 . The friction force acting on the block is :

A block is kept on a rough horizontal surface as shown. Its mass is 2 kg and coefficient of friction between block and surface (mu)=0.5. A horizontal force F is acting on the block. When

A block of mass 0.1 is held against a wall applying a horizontal force of 5N on block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:

A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block ((in kg) is .......... (Take g = 10 m//s^(2) )

A block of mass m=2kg is resting on a rough inclined plane of inclination plane of inclination 30^(@) as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? (g=10m//s^(2))

Two blocks of masses 2kg and M are at rest on an inclined plane and are separated by a distance of 6.0m as shown. The coefficient of friction between each block and the inclined plane is 0.25 . The 2kg block is given a velocity of 10.0m//s up the inclined plane. It collides with M, comes back and has a velocity of 1.0m//s when it reaches its initial position. The other block M after the collision moves 0.5m up and comes to rest. Calculate the coefficient of restitution between the blocks and the mass of the block M. [Take sintheta=tantheta=0.05 and g=10m//s^2 ]

A block of mass 1kg lies on a horizontal surface in a turck, the coefficient of static fricition between the block and the surface is 0.6, what is the force of fricition on the block. If the acceleration of the truck is 5m//s^(2) .

A block of mass m is in contact with the cart C as shown in The coefficient of static friction between the block and the cart is mu The acceleration a of the cart that will prevent the block from falling satisfies .

A horizontal force of 10N is necessary to just hold a block stationary against as well. The coefficient of friction between the block and the wall is 0.2. The weight of the block is

A block of mass m rests on a rough horizontl surface as shown in figure (a) and (b). Coefficient of friciton between block and surface is mu . A force F-mg acting at an angle theta with the vertical side of the block. Find the condition for which block will move along the surface.

ALLEN -TEST PAPER-Exercise (Physics)
  1. An insect starts from (2,3,4) and travels along (hat(i)+2hat(j)+2hat(k...

    Text Solution

    |

  2. For the given vector vec(A)=3hat(i)-4hat(j)+10hat(k), the ratio of mag...

    Text Solution

    |

  3. In the arrangement shown in figure coefficient of friction between 5kg...

    Text Solution

    |

  4. A block is kept at the corner of two walls and force 3N is applied on ...

    Text Solution

    |

  5. A plank of mass 2 kg and length 1 m is placed on horizontal floor.A sm...

    Text Solution

    |

  6. A block is moving along y-axis with velocity vec(v)(A)=4hat(j) on a pl...

    Text Solution

    |

  7. A block is projected up along the line of greatest slope of an incline...

    Text Solution

    |

  8. A metal block is resting on a rough wooden surface. A horizontal force...

    Text Solution

    |

  9. A Body intially at rest, starts moving along x-axis in such a way so t...

    Text Solution

    |

  10. A particle is shifted from A to B and then from B to C where A,B and C...

    Text Solution

    |

  11. Velocity of a stone projected, 2 second before it reaches he maximum h...

    Text Solution

    |

  12. A particle is moving along x-axis whose position is given by x=4-9t+(t...

    Text Solution

    |

  13. A particle moves 21m along the vector 6hat(i)+2hat(j)+3hat(k) , then 1...

    Text Solution

    |

  14. A particle is falling freely under gravity. In frist t secnd it covers...

    Text Solution

    |

  15. For a particle moving along x-axis, speed must be increasing for the f...

    Text Solution

    |

  16. A car of mass 1000kg moves from point A to B. If kinetic energy of ca...

    Text Solution

    |

  17. Two bodies of masses m(1) and m(2) are acted upon by a constant force ...

    Text Solution

    |

  18. A body (intially at rest is falling under gravity. When it loses a gra...

    Text Solution

    |

  19. The graph below shows how the force on a mass depends on the position ...

    Text Solution

    |

  20. A particle with total energy E moves in one direction in a region wher...

    Text Solution

    |