Home
Class 9
PHYSICS
How much force is needed to produce acce...

How much force is needed to produce accele ration of 80 cm s? in a body of mass 500g?

A

0.04 N

B

0.4 N

C

4N

D

4000N

Text Solution

Verified by Experts

m=500 g=0.5 kg
a=80 cm `s^(-2)=80xx10^(2)ms^(-2)`
Force F=ma=(0.5)`(80xx10^(-2))`=0.4N
0.4N
Promotional Banner

Topper's Solved these Questions

  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS(Fill in the blanks :)|10 Videos
  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS(Fill in the blanks by selecting the correct alternative from those given in the bracket:)|10 Videos
  • FORCE AND LAWS OF MOTION

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS( Answer the following questions in very short :)|20 Videos
  • GRAVITATION

    KUMAR PRAKASHAN|Exercise ACTIVITY 10.4|2 Videos

Similar Questions

Explore conceptually related problems

How much force is needed to produce an acceleration of 80 cm s^(-2) ? in a body of mass 50 g?

30 N of force is needed to increase the velocity of a body of mass 5 kg from 10 ms^(-1) to 22 ms^(-2) for the time duration of…….. (2s,6s,12s)

A force vecF=(6hati-8hatj+10hatk)N produces acceleration of 1 ms^(-2) in a body. Calculate the mass of the body.

A point mass moves along a circle of radius R with a constant angular acceleration alpha . How much time is needed after motion begins for the radial acceleration of the point mass to be equal to its tangential acceleration ?

When 20 N force is applied on a body of mass m, acceleration 8.0 ms^(2) is produced in it. The same force when applied on a body of mass m', acceleration of 24 ms^(2) is produced. What will be acceleration produced by the same force applied on these two bodies tied togather......

KUMAR PRAKASHAN-FORCE AND LAWS OF MOTION-QUESTIONS AND ANSWERS( Choose the correct option from those given below each question :)
  1. A constant force of 5N is applied on a body of 10 kg mass, with how mu...

    Text Solution

    |

  2. Which of the following vehicles has the least Inertia?

    Text Solution

    |

  3. How much force is needed to produce accele ration of 80 cm s? in a bod...

    Text Solution

    |

  4. Unit of which physical quantity is same as that of unit of impulse of ...

    Text Solution

    |

  5. Newton's second and third law lead to which Important law of physics?

    Text Solution

    |

  6. For which type of surface magnitude of frietional force would be less?

    Text Solution

    |

  7. On which factor the frictional force does not depend?

    Text Solution

    |

  8. Which substance cannot be used to reduce friction?

    Text Solution

    |

  9. How much acceleration is produced onapplying a force of 0.5 N on an ob...

    Text Solution

    |

  10. What change would occur in acceleration. if the external force acting ...

    Text Solution

    |

  11. Which of the following physical quantity is scalar?

    Text Solution

    |

  12. If a force of 5N acts on an object of mass 2 kg for 2 s. then = what w...

    Text Solution

    |

  13. If a constant force is applied to an object of mass 0.9 kg in stationa...

    Text Solution

    |

  14. What is the momentum of an object of mass m, moving with a velocity v ...

    Text Solution

    |

  15. Momentum of an object is 28 kg ms^(-1). If its velocity is 1.4 ms^(-1)...

    Text Solution

    |

  16. A ball of mass m collides with the ground with velocity and then comes...

    Text Solution

    |

  17. When is the momentum of an object zero?

    Text Solution

    |

  18. kg ms^(-2) is the unit of which physical quan tity?

    Text Solution

    |

  19. On applying force in opposite direction of motion of an object, what e...

    Text Solution

    |

  20. On applying a force of 5N to an object, if acceleration equal to 10 ms...

    Text Solution

    |