Home
Class 12
PHYSICS
A body of mass 2kg moving on a horizonta...

A body of mass `2kg` moving on a horizontal surface with an initial velocity of `4 ms^(-1)` comes to rest after `2` second. If one wants to keep this body moving on the same surface with a velocity of `4 ms^(-1)` the force required is

A

8 N

B

4 N

C

zero

D

2 N

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 44

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 46

    NTA MOCK TESTS|Exercise PHYSICS|90 Videos

Similar Questions

Explore conceptually related problems

A body of mass 4 kg moving on a horizontal surface with an initial velocity of 6ms^(-1) comes to rest after 3 seconds. If one wants to keep the body moving on the same surface with the velocity of 6ms^(-1) the force required is

A body of mass 2kg moving on a horizantal surface with an initial velocity of comes to rest after 2 second. If one wants to keep this body moving on the same surface with a velocity of 4 ms^(-1) the force required is

A body of mass 1 kg moving on a horizontal surface with an initial velocity of 6m/s comes to rest after 3 seconds. If one wants to keep the body moving on the same surface with the same velocity of 6m/s, then the force required is

An object of mass 1 kg moving on a horizontal surface with initial velocity 8 m/s comes to rest after 10 s. If one wants to keep the object moving on the same surface with velocity 8 m/s the force required is

An object moving with a velocity of 50 ms^(-1) comes to rest after 20 s. What is its initial velocity ?

A body is moving along a rough horizontal surface with an initial velocity 6m/s m If the body comes to rest after travelling 9 m , then the coefficient of sliding friction will be

NTA MOCK TESTS-NTA NEET SET 45-PHYSICS
  1. Two particles are projected simultaneously with same speed V0 in same...

    Text Solution

    |

  2. A room (cubical) is made of mirros. An insect is moving along the diag...

    Text Solution

    |

  3. A body of mass 2kg moving on a horizontal surface with an initial velo...

    Text Solution

    |

  4. A horizontal constant force F pulls a block of mass m placed on a hori...

    Text Solution

    |

  5. The count rate of a Geiger Muller counter for the radiation of a radio...

    Text Solution

    |

  6. The binding energy per nucleon of deuterium and helium nuclei are 1.1 ...

    Text Solution

    |

  7. The ratio of frequencies of two pendulums are 2 : 3, then their length...

    Text Solution

    |

  8. A pendulum clock Which ticks 60 times is one minute on earth is place...

    Text Solution

    |

  9. A charged oil drop falls with terminal velocity v(0) in the absence of...

    Text Solution

    |

  10. Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...

    Text Solution

    |

  11. A ball whose density is 0.4 xx 10^3 kg//m^3 falls into water from a h...

    Text Solution

    |

  12. If the compressibility of water is sigma per unit atmospheric pressure...

    Text Solution

    |

  13. A wire mesh consisting of very small squares is viewed at a distance o...

    Text Solution

    |

  14. A short linear object of length b lies on the axis of a concave mirro...

    Text Solution

    |

  15. A solid cylinder of mass M and radius R rolls down an inclined plane o...

    Text Solution

    |

  16. A particle of mass m=1kg is projected with speed u=20sqrt(2)m//s at an...

    Text Solution

    |

  17. The value of the resistor, R(S), needed in the dc voltage regulator ci...

    Text Solution

    |

  18. Digital circuit can be made by the repetitive use of

    Text Solution

    |

  19. 1.56 × 10^5 J of heat is conducted through is 2 m^2 wall of 12 cm thi...

    Text Solution

    |

  20. If the unit of force is 100 N, unit of length is 10m and unit of time ...

    Text Solution

    |