Year 9 - Physics - 24-4-15

Thai Sikh International School

E-Learning Programme – Online Assignment –   dd/mm/yyyy

Name :                                                                                  Subject :Physics. 

Year   :  9.                                                                                  Schedule No. : 9.                                  

1.What do you understand by Hooke’s law, explain with a neat graph. What is compressing and bending?.

2.The wind pressure on a wall is 1000pa. If the wall has an area of 10m², what is the force on it?.

3.If a concrete block has a mass of 3000kg and if it measures 0.5m by 1.0m by 2.0m, what is the maximum pressure it can exert when resting on the ground?

(g= 10N/kg).

4.Derive an equation to calculate the pressure in liquids.

5. If the density of water is 1000kg/m³, what is the pressure due to the water at the bottom of a swimming pool 5meters deep?.