Home
Class 12
PHYSICS
An object moving along the x axis is act...

An object moving along the x axis is acted upon by a forse `F_(x)` that varies with position as shown . How much work is done by this force as the moves from `x=2m` to `x = 8 am`?

A

`-10 J`

B

`+10 J`

C

`+30 J`

D

`-30 J`

Text Solution

Verified by Experts

[3]
W`=(1)/(2)xx20xx4-(1)/(2)xx10xx2`
`=30J`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A 10-kg block moves in a straight line under the action of a force that varies with position as shown in figure. How much work does the force do as the block moves from origin to x=8m ?

A particle is subjected to a force F_(x) that varies withes position as shown in figure. Find the work done by the force on the body as it moves (a) from x =10.0 m to x =5.0 m , (b) from x =5.0 m to x =10.0 m , (c ) from x =10. 0 m to x =15.0 m , (d) what is the total work done by the force over the distance x =0 to x =15.0 ? .

A 5 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown in the figure. Find the work done by this force as the block moves from the origin to x = 8m.

Force acting on a particle varies with x as shown in figure. Calculate the work done by the force as the particle moves from x = 0 to x = 6.0 m.

A particle is acted upon by a force which varies with position x as shown. F is in N and x is in m F 10 5 X 2 -10

Force acting on a particle varies with displacement as shown is Fig. Find the work done by this force on the particle from x=-4 m to x = + 4m. .

A Force F acting on an object varies with distance x as shown in the figure. The work done by the force in moving the object from x = 0 to x = 8m is

A force F acting on an object varies with distance x as shown in the figure. The work done by the force in moving the object from x=0 to x = 20 m is

A force F acting on an object varies with distance x The work done by the force in moving the object from x=0 to x=8 m is

A force F acting on a particle varies with the position x as shown in the graph. Find the work done by the force in displacing the particle from x =-a to x = +2a . .

CAREER POINT-UNIT TEST 2-PHYSICS
  1. A triangular prism of mass m placed on it is released from rest on a s...

    Text Solution

    |

  2. A system of two blocks is shown in figure. Friction coefficient betwee...

    Text Solution

    |

  3. Figure shown a man standing stationary with respect to a horizontal co...

    Text Solution

    |

  4. A box of mass 8 kg placed on a rough inclined plane of inclened theta...

    Text Solution

    |

  5. Starting from rest , a body slides down at 45^(@) inclined plane in tw...

    Text Solution

    |

  6. A circular table with smooth horizontal surface is rotating at an angu...

    Text Solution

    |

  7. A bob of mas M is suspended by a massless string of length L. The hor...

    Text Solution

    |

  8. A particle is given an initial speed u inside a smooth spherical shell...

    Text Solution

    |

  9. A particle crosses the topmost point C of a vertical circle with criti...

    Text Solution

    |

  10. A railway track is banked for aspeed v, by making the height of the ou...

    Text Solution

    |

  11. An elastic cord of constant K and length L is hung from point A having...

    Text Solution

    |

  12. A hammer of mass M falls from height h to drive a pile of mass m into ...

    Text Solution

    |

  13. A varable force, given by the 2- dimensional vectoroverlineF=(3xx^(2)h...

    Text Solution

    |

  14. A constant power P is applied to a car starting from rest. If v is the...

    Text Solution

    |

  15. A particle is released from height H. At cartain height from the groun...

    Text Solution

    |

  16. An object moving along the x axis is acted upon by a forse F(x) that v...

    Text Solution

    |

  17. A man is riding on a cycle with velocity 7.2(km)/(hr) up a hill having...

    Text Solution

    |

  18. The potential energy function for the force between two atoms in a dia...

    Text Solution

    |

  19. When the KE of a particle is increased by 300%, the momentum of the bo...

    Text Solution

    |

  20. A uniform chain has a mass m and length l . It is held on a frictionle...

    Text Solution

    |