Home
Class 12
PHYSICS
On a smooth plane surface (figure ) two ...

On a smooth plane surface (figure ) two block A and B are accelerated rightwards by applying a force 15 N on A. If the mass of B is twice that of A, the force on B is

A

30 N

B

15 N

C

10 N

D

5 N

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 69

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 71

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Given in figure are two blocks A and B of weight 20N and 100N, respectively. These are being pressed against a wall by a force F as shown. If the coefficient of friction between the blocks is 0.1 and between block B and the wall is 0.15, the frictional force applied by the wall on block B is:

A plank of mass 10kg rests on a smooth horizontal surface. Two blocks A and B of masses m_(A)=2kg and m_(B)=1kg lies at a distance of 3m on the plank as shown in the distance of 3m on the plank as shown in the figure. The friction coefficient between the blocks and plank are mu_(A)=0.3 and mu_(B)=0.1 . Now a force F = 15 N is applied to the plank in horizontal direction. Find the time after which block A collides with B.

Two blocks A and B of mass 2 kg and 4 kg respectively are placed on a smooth inclined plane and 2 kg block is pushed by a force F acting parallel to the plane as shown. If N be the magnitude of contact force applied on B by A, which of the following is/are correct?

A 10 kg block is pulled in the vertical plane along a frictionless surface in the form of an arc of a circle of radius 10m. The applied force is 200N as shown in the figure. If the block started from rest at A, the velocity at B would be:

Block A of mass 3 kg is placed on another block B of mass 5 kg placed on the smooth surface. If coefficient of friction between two blocks is 1/2 and 32 N force is applied on block B as shown in the figure, then the work done by the frictional force on block A in first two second will be (initial velocity of the system is zero and g = 10 m/s^2 )

Three identical blocks, each having a mass m are pushed by a force F on the Frictionless table as shown in figure. What force does B apply on C?

Two blocks of mass 2 kg and 4 kg are accelerated with same acceleration by a force 10 N as shown in figure on a smooth horizontal surface. Then the spring force between the two blocks will be (spring is massless)

Two smooth block are placed at a smooth corner as shown in fig. Both the bloks are having mass m. We apply a force F on the block m. Block A presses block B in the normal direction, due to which pressing force on vertical wall will increase, and pressing force on the horizontal wall decreases, as we increases F(theta = 37^(@) with horizontal). As soon as the pressing force on the horizontal wall by block B become zero, it will lose contact with ground. If the value of F further increases, block B will accelerate in the upward direction and simulaneously block A will towards right. If the acceleration of block A is a rightwards, then the acceleration of block B will be

NTA MOCK TESTS-NTA NEET SET 70-PHYSICS
  1. A particle is released from rest from a tower of height 3h. The ratio ...

    Text Solution

    |

  2. Two bullets are fired simultaneously, horizontally and with different ...

    Text Solution

    |

  3. On a smooth plane surface (figure ) two block A and B are accelerated ...

    Text Solution

    |

  4. A block of the mass of 1 kg is moving on the x-axis . A force F acting...

    Text Solution

    |

  5. The activity of a radioactive substance becomes from 8000 Bq to 1000 B...

    Text Solution

    |

  6. Calculate the energy equivalent of 1g of substance.

    Text Solution

    |

  7. The time period of a simple pendulum measured inside a stationary lift...

    Text Solution

    |

  8. A particle is subjected to two simple harmonic motions along x and y d...

    Text Solution

    |

  9. Wavelength of characteristic X-ray depends on which property of target...

    Text Solution

    |

  10. The work functions of three metals A, B and C are W A ,WB and WC resp...

    Text Solution

    |

  11. Two water pipes P and Q having diameters 2 xx 10^(-2) m and 4 xx 10^(...

    Text Solution

    |

  12. A hydraulic automobile life has input and output pistons with diameter...

    Text Solution

    |

  13. If the distance between the virtual image from Its real object is 60 c...

    Text Solution

    |

  14. Two thin equiconvex lenses each of focal length 0.2 m are placed coaxi...

    Text Solution

    |

  15. A uniform disc of mass M and radius R is hinged at its centre C . A fo...

    Text Solution

    |

  16. Two balls of mass m and 4m are connected by a rod of length L. The mas...

    Text Solution

    |

  17. Two identical p-n junctions may be connected in series in which a batt...

    Text Solution

    |

  18. A reverse biased diode is

    Text Solution

    |

  19. A liquid of density 0.85 g//cm^(3) flows through a calorimeter at the ...

    Text Solution

    |

  20. The pressure on a square plate is measured by measuring the force on t...

    Text Solution

    |