Home
Class 11
PHYSICS
The potential energy of a system increas...

The potential energy of a system increased if work is done

A

upon the system by a non-conservative force

B

by the system against a conservative force

C

by the system against a non-conservative force

D

upon the system by a conservative force

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Work, Energy and power

    SL ARORA|Exercise EXERCISE|415 Videos

  • Waves

    SL ARORA|Exercise EXERCISE|558 Videos

  • WORK, POWER AND ENERGY

    SL ARORA|Exercise Type F Based on Collisions|6 Videos

Similar Questions

Explore conceptually related problems

A : The potential energy of a system increases when work is done by conservative force. R : Kinetic energy can change into potential energy and vice-versa.

There will be decrease in potential energy of the system, if work is done upon the system by

If 2kcal heat is given to a system and 6 kcal work is done on the system then the internal energy of system will increase by how many kcal?

STATEMENT-1 When a conservative force performs positive work on a body, potential energy of the system decreases. STATEMENT-2 Work done by a conservative force does not produce any change in kinetic energy.

if work done by a conservative force is positive the select the correct option(s). (a) potential energy will decrease. (b) potential energy may increase or decrease. (c )kinetic energy will increase. (d) kinetic energy may increase or decrease.

Calculate the work done by the system, when 40J heat is supplied to it, the internal energy of system increase 32J .

A : If net force acting-on a system is zero, then work done on the system may be nonzero. R : Internal forces acting on a system can increase its kinetic energy.

SL ARORA-Work, Energy and power-EXERCISE
  1. An engine pumps water continously through a hose. Water leave the hose...

    Text Solution

    |

  2. A block of mass m attached in the lower and vertical spring The spring...

    Text Solution

    |

  3. The potential energy of a system increased if work is done

    Text Solution

    |

  4. A body projected vertically from the earth reaches a height equal to e...

    Text Solution

    |

  5. An engine pumps water through a hose pipe. Water passes through the pi...

    Text Solution

    |

  6. The heart of a man pumps 5 liters of blood through the arteries per mi...

    Text Solution

    |

  7. A car of mass m starta from rest and accelerates so that the instyanta...

    Text Solution

    |

  8. A partical of mass m is driven by a machine that deleveres a constant ...

    Text Solution

    |

  9. Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...

    Text Solution

    |

  10. The power of a water pump is 2 kW. If g = 10 m//s^2, the amount of wat...

    Text Solution

    |

  11. 250 N force is required to raise 75 kg mass from a pulley. If rope is ...

    Text Solution

    |

  12. A shell in its flight, explodes into four unequal parts. Which of the ...

    Text Solution

    |

  13. A body of mass m moving with velocity 3km//h collides with a body of m...

    Text Solution

    |

  14. A metal ball of mass 2 kg moving with speed of 36 Km//h has a collisio...

    Text Solution

    |

  15. Two identical balls A and B collide head on elastically. If velocities...

    Text Solution

    |

  16. The coefficient of restitution e for a perfectly elastic collision is

    Text Solution

    |

  17. A ball moving with velocity 2 ms^(-1) collides head on with another st...

    Text Solution

    |

  18. Two particles A and B, move with constant velocities vec(v(1))" and "v...

    Text Solution

    |

  19. Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...

    Text Solution

    |

  20. On a friction surface a block a mass M moving at speed v collides elas...

    Text Solution

    |