Home
Class 12
PHYSICS
A heavy ball is suspended as shown in th...


A heavy ball is suspended as shown in the figure given above. A quick jerk on the lower string will break that string but a slow pull on the lower string will break the upper string. The first result occurs because

A

the force is too small to move the ball

B

air friction holds the ball back

C

of action and reaction

D

the ball has inertia

Text Solution

Verified by Experts

The correct Answer is:
D
The first result occurs because the ball has inertia.
Promotional Banner

Topper's Solved these Questions

  • Heat & Thermodynamics

    NDA PREVIOUS YEARS|Exercise Physics|64 Videos

  • MODERN PHYSICS

    NDA PREVIOUS YEARS|Exercise MCQ|42 Videos

Similar Questions

Explore conceptually related problems

A body of weight 2 kg is suspended as shown in the figure. The tension T_(1) in the horizontal string (in kg wt ) is

A mass of 1 kg is suspended by a string A. another string C is connected to its lower end (see figure). If the string C is stretched slowly, then

A room is in shape of a cube . A heavy ball (B) is suspended at the centre of the room tied to three inextensible strings as shown. String BA is horizontal with A being the centre point of the wall. Find the ratio of tension in the string BA and BC.

A 10 kg steel ball is suspended by two strings as shown. The tensions in the two strings are: (g=9.8 m//s^(2) )

A mass M of 100 kg is suspended with the use of strings A, B 90 and C as shown in the figure, where W is the vertical wall and R is a rigid horizontal rod. The tension in the string B is

A block of mass M is suspended by a corf A from the ceiling and another cord B is attached to the bottom of the block as shown in Which string will break if we pull the string B (a) with a sudden jerk, (b) steadily ?

A 'block' of mass 10 kg is suspended with string as shown in figure. Find tension in the string. (g=10m//s^(2))

Two masses of 5 kg and 10 kg are suspended from a fixed support as shown in the figure. The system is pulled downwards with a force of 150 N applied to the lower mass. The string attached to the support breaks and the system accelerates downwards. If the downward force continues to act, the acceleration of the center of mass of the system is :

A body of mass 60 kg suspended by means of three strings, P, Q and R as shown in the figure is in equlibrium. The tension in the string P is

A bob in tied to a string of length l & and kept on a horizontal rough surface as shown in the figure when point O of the string is fixed. The bob is given a tangential velocity V_(0) keeping the string taut as shown in figure. Find the tension in the string as a function of time. The coefficient of kinetic friction is mu .

NDA PREVIOUS YEARS-Mechanics-Physics
  1. For a particle revolving in a circular path, the acceleration of the p...

    Text Solution

    |

  2. A circus performer of mass M is walking along a wire as shown in the f...

    Text Solution

    |

  3. A heavy ball is suspended as shown in the figure given above. A quick ...

    Text Solution

    |

  4. Which one of the following characteristics of the particle does the sh...

    Text Solution

    |

  5. A body is at rest on the surface of the earth. Which one among the fol...

    Text Solution

    |

  6. A pendulum beats, faster than a standard pendulum. In order to bring i...

    Text Solution

    |

  7. A body initially at rest is acted upon by a constant force. The rate o...

    Text Solution

    |

  8. A jet plane flies through air with a velocity of 2 Mach. While the vel...

    Text Solution

    |

  9. A man is at rest in the middle of a pond on perfectly smooth ice. He c...

    Text Solution

    |

  10. When a moving bus suddenly applies brakes, the passengers sitting in i...

    Text Solution

    |

  11. A jet engine works on the principle of conservation of

    Text Solution

    |

  12. Mass of B is four times that of A.B moves with a velocity half that of...

    Text Solution

    |

  13. The position- time (x - t) graph for motion of a body is given below: ...

    Text Solution

    |

  14. Momentum of a body is 1. a vector quantity. 2. a conserved quantit...

    Text Solution

    |

  15. The ratio of the weight of a man in a stationary lift and when it is m...

    Text Solution

    |

  16. A body is thrown upward against the gravity 'g' with initial velocity ...

    Text Solution

    |

  17. Which one among the following is the correct value of the gravitationa...

    Text Solution

    |

  18. It is impossible for two oscillators, each executing simple harmonic m...

    Text Solution

    |

  19. Which one among the following is correct for resultant of balanced for...

    Text Solution

    |

  20. An object is in uniform circular motion on a plane. Suppose that you m...

    Text Solution

    |