Forces and Pressure Two Marks Questions

8th Standard EM

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. A stone weighs 500 N. Calculate the pressure exerted by it if it makes a contact with a surface of area 25 cm2.

  2. Give two examples to verify that a force changes the shape of a body.

  3. Give two examples to verify that a force tends to change the static condition of a body.

  4. Taking out paste from a tooth paste tube is an example to highlight which physical property?

  5. What do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?

  6. How does the friction arise between the surfaces of two bodies in relative motion?

  7. Name two instruments, which help to measure the pressure of a fluid.

  8. Why are heavy bags provided with broad straps?

  9. How does surface tension help a plant?

  10. 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 0.1m2.

  11. Why sumo and kabbadi players rub their hand with mud?

  12. Which scientist name is named after the unit of pressure as pascal?

  13. Name some things which exert larger pressure on a smaller area?

  14. Why more number of wheels are provided for a heavy goods - carrier?

  15. What makes the peel of banana to slide over the path?

*****************************************

Reviews & Comments about 8th Science Chapter 2 Forces and Pressure Two Marks Questions

Write your Comment