Home
Class 11
PHYSICS
Acceleration of block m is (theta lt 45^...

Acceleration of block m is `(theta lt 45^(@))`

A

`g sin theta`

B

`g cos theta`

C

`g(sin theta - cos theta)`

D

`g(cos theta-sin theta)`

Text Solution

Verified by Experts

The correct Answer is:
C

`F_(R)=mg cos theta-mg sin theta`
Promotional Banner

Topper's Solved these Questions

  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(MOTION ON A HORIZONTAL ROUGH SURFACE)|12 Videos
  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(MOTION OF A BODY ON THE INCLINED PLANE)|9 Videos
  • LAW OF MOTION

    NARAYNA|Exercise EXERCISE - II (H.W)(NEWTON.S LAWS OF MOTION)|9 Videos
  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos
  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

Similar Questions

Explore conceptually related problems

Accelertion of block m is (theta lt 45^(@))

The acceleration of the block is

The acceleration of the block A is

In the figure shown, angle of repose is 45^(@) .Find force of friction, net force and acceleration of the block when (a) theta = 30^(@) (b) theta = 45^(@) (c) theta = 60^(@)

The system shown in figure starts from rest, and each block moves with a constant acceleration. If the relative acceleration of block C with respect to block B is 6m//s^(2) upward and the relative acceleration of block D with respect to block C after 3s from starts.

At a certain moment of time, acceleration of the block A is 2 m//s^(2) . Upward and acceleration of block B is 3 m//s^(2) upward. The acceleration of block C is ( masses of pulleys and string are negligible )

Two blocks A and B are arranged as shown in figure.The pulleys are light and frictionless.The strings are light and inextensible.If the acceleration of the block B is 3m/s^(2) ,then the acceleration of the block A is __________ m/s^(2)

If acceleration of block B is 4 m//s^(2) upward & that of C is 6 m//s^(2) downward. Find acceleration of A :-

In the pully system shown, if radii of the bigger and smaller pulley are 2m and 1m respectively and the acceleration of block A is 5 m//s^(2) in the downward direction, then the acceleration of block B will be

NARAYNA-LAW OF MOTION-EXERCISE - II (H.W)(OBJECTS SUSPENDED BY STRINGS AND APPARENT WEIGHT)
  1. The elevator shown in fig. is descending with an acceleration of 2 m//...

    Text Solution

    |

  2. A block of mass m is pulled by a uniform chain of mass m tied to it by...

    Text Solution

    |

  3. Two masses of 8 kg and 4 kg are connected by a string as shown in figu...

    Text Solution

    |

  4. Consider the system shown in figure. The pulley and the string are lig...

    Text Solution

    |

  5. In the figure, a smooth pulley of negligible weight is suspended by a ...

    Text Solution

    |

  6. A chain consisting of 5 links each of mass 0.1 kg is lifted vertically...

    Text Solution

    |

  7. Three blocks of equal masses (each 3kg) are suspended by weightless st...

    Text Solution

    |

  8. Pulleys and strings are massless. The horizontal surface is smooth. Wh...

    Text Solution

    |

  9. When a train starting from rest is uniformly accelerating, a plumb bob...

    Text Solution

    |

  10. The pulley and strings shown in the figure are smooth and of negligibl...

    Text Solution

    |

  11. Two bodies of masses 4kg and 6kg are attached to the ends of a string ...

    Text Solution

    |

  12. Acceleration of block m is (theta lt 45^(@))

    Text Solution

    |

  13. A stationary shell breaks into three fragments. The momentum of two of...

    Text Solution

    |

  14. An object initially at rest explodes, disintegrating into 3 parts of e...

    Text Solution

    |

  15. A man of 50 kg is standing at one end on a boat of length 25m and mass...

    Text Solution

    |

  16. A stationary body of mass 3 kg explodes into three equal pieces. Two o...

    Text Solution

    |