Home
Class 8
PHYSICS
A stone weighs 500 N.Calculate the pres...

A stone weighs 500 N.Calculate the pressure exerted by it if it markes a contact with a surface of area `25 cm^2`.

A

`frac{kg}{m^3}`

B

`face{kg}{m^2`

C

pascal

D

Newton

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Force and Pressure

    SURA PUBLICATION|Exercise Example|84 Videos
  • Electricity

    SURA PUBLICATION|Exercise Example|63 Videos
  • Heat

    SURA PUBLICATION|Exercise Example|68 Videos

Similar Questions

Explore conceptually related problems

A 100 W light bulb is placed at the centre of a spherical chamber of radius 20cm. Assume that 60% of the energy supplied to the bulb is converted into light and that the surface of the chamber is perfectly absorbing. Find the pressure exerted by the light on the surface of the chamber.

Calculate the pressure exerted by the foot of an elephant using the following data. Average weight of an elephant is 4000 N. Surface area of the sole of its foot is 0.1m^(2) .

What will be the force required tp exert a pressure of 20,000 Pa on an area of 1 cm^2 .

If the lateral surface area of a cube is 600cm^(2) , then the total surface area is

Figure shows a uniform rod of length 30 cm having a mass of 3.0 kg. The strings shown in the figure are pulled by constant forces of 20 N and 32N. Find the force exerted by the 20 cm part of the rod on the 10 cm part. All the surfaces are smooth and the strings and the pulleys are light.

Calculate the area of a 1500 N object that exerts a pressure of 500 Pa.

SURA PUBLICATION-Force and Pressure-Exercise
  1. A stone weighs 500 N.Calculate the pressure exerted by it if it marke...

    Text Solution

    |

  2. The unit of pressure is

    Text Solution

    |

  3. The were and tear in the machine part is due to.

    Text Solution

    |

  4. Which of the following increases friction?

    Text Solution

    |

  5. The total force exerted by a body normal to the surface is a called.

    Text Solution

    |

  6. The atmospheric pressure on the surface of the earth is about

    Text Solution

    |

  7. The SI unit of force is

    Text Solution

    |

  8. The SI unit of surface tension is.

    Text Solution

    |

  9. The amount of force acting per unit length on the surface of a liquid ...

    Text Solution

    |

  10. At sea level, the height of the mereury columm is around mm.

    Text Solution

    |

  11. Friction existing during the motion of bodies is called friction .

    Text Solution

    |

  12. If the same force is made to act on a larger area, the pressure .

    Text Solution

    |

  13. At the give depth, a liquid exerts pressure in all direction.

    Text Solution

    |

  14. The presstre exerted by the air around us is called pressure.

    Text Solution

    |

  15. At higher altitudes, atmospheric pressure is.

    Text Solution

    |

  16. Friction depends on the of two surface in contact.

    Text Solution

    |

  17. Water strider insect slides on the wather surface easily due to the o...

    Text Solution

    |

  18. The force Which acts in order to oppose the relative motion of the lay...

    Text Solution

    |

  19. The automobile brake system works according to.

    Text Solution

    |

  20. The is used to mark the compressed bundles of cotton or cloth so as t...

    Text Solution

    |