Home
Class 9
PHYSICS
A 150g ball travelling at 30m//s strikes...

A `150g` ball travelling at `30m//s` strikes the plam of a player's hand and is stopped in `0.06 sec`. Calculate the force exerted by the ball on the hand.

Text Solution

Verified by Experts

Here, `m=150g = 150xx10^(-3)kg, u=30m//s, v=0, t=0.06s, F=?`
From `F=ma=(m(v-u))/t=(150xx10^(-3)(0-30))/(0.06)= -75N`
Negative sign is for stopping force.
Promotional Banner

Topper's Solved these Questions

  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise ORAL TESTING|20 Videos
  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise QUIZ TESTING|12 Videos
  • FORCES AND LAWS OF MOTION

    PRADEEP|Exercise VALUE BASED QUESTIONS|4 Videos
  • FLOTATION

    PRADEEP|Exercise Problem For Practice|6 Videos
  • GRAVITATION

    PRADEEP|Exercise Model Test paper (1)|36 Videos

Similar Questions

Explore conceptually related problems

(a) Explain why, a cricket player moves his hands backwards while catching a fast cricket ball (b) A 150 g ball, travelling at 30 m/s, strikes the palm of a player's hand and is stopped in 0.05 second. Find the force exerted by the ball on the hand.

A player caught a cricket ball of mass 150g moving at a rate of 20m//s . If the catching process is completed in 0.1s, the force of the blow exerted by the ball on the hand of the player is equal to

A player caught a cricket ball of mass 150gm moving at a rate of 20m//s . If the catching process be comleted in 0.1 s , then the force of the blow exerted by the ball on the hands of the player is.

A player caught a criket ball of mass 150 g moving at the rate of 20 ms^(-1) . If the catching process the completed in 0.1s , the force of the blow exerted by the ball on the hands of the player is

A ball of mass 500 gram strikes a wall with a velocity of 80 m/s and rebounds with the same velocity. If the tme of contact is 1/30 sec, then the force exerted by the ball on the wall is

A base ball of mass 150 gm travelling at speed of 20 m//s is caught by a fielder and brought to rest in 0.04s .The force applied to the ball and the distance over which this force acts are respectively

A cricket player draws his hands backwards through 10 cm while catching a ball of mass 150 g moving with a velocity of 25 ,ms^(-1) . Calculate the work done in catching the ball and the average force exerted by the ball on the hand .

PRADEEP-FORCES AND LAWS OF MOTION-EXERCISE
  1. A constant force acts on object of mass 5 kg for a duration of 2s It i...

    Text Solution

    |

  2. Which would requires a greater force: accelerating a 2kg mass at 5m//s...

    Text Solution

    |

  3. A motor car is moving with a velocity of 108 km//h and it takes 4 seco...

    Text Solution

    |

  4. A force of 5N gives a mass m(1), an acceleration of 10m//s^(2), and a ...

    Text Solution

    |

  5. The velocity time graph of a ball of mass 20g moving along a straight ...

    Text Solution

    |

  6. For how long should a force of 100 N act on a body of mass 20kg so tha...

    Text Solution

    |

  7. A 150g ball travelling at 30m//s strikes the plam of a player's hand a...

    Text Solution

    |

  8. A body of mass 1kg is kept at rest. A constant force of 6.0 N starts a...

    Text Solution

    |

  9. A force of 4N acts on a body of mass 2kg for 4s. Assuming the body to ...

    Text Solution

    |

  10. A feather of mass 5g is dropped from a height. It is observed to fall ...

    Text Solution

    |

  11. A bullet of mass 50g is fired from a gun of mass 6kg with a velocity o...

    Text Solution

    |

  12. A machine gun fires 25g bullet at the rate of 600 bullets per minutes ...

    Text Solution

    |

  13. A boy pushes a wall with a force of 20N. What is the magnitude and dir...

    Text Solution

    |

  14. A bullet of mass 20 gram moving with a velocity of 300m//s gets embedd...

    Text Solution

    |

  15. A girl of mass 50 kg jumps out of a rowing boat of mass 300 kg on to t...

    Text Solution

    |

  16. A truck of mass 2500 kg moving at 15m//s collides with a car of mass 1...

    Text Solution

    |

  17. A boy of mass 60 kg running at 3//s jumps on to a trolley of mass 140 ...

    Text Solution

    |

  18. A bullet of mass 20g is fired horizontly with a velocity of 150ms^(-1)...

    Text Solution

    |

  19. A girl of mass 40kg jumps with a horizontal velocity of 5m//s onto a s...

    Text Solution

    |

  20. Two hockey players of opposite teams, while trying to hit a hockey bal...

    Text Solution

    |