FORCE & PRESSURE
CLASS 8
Hints to answer the give reason type questions based on pressure class 8
Pressure in solids
Check whether the area of contact is increasing or decreasing in given situation
Write; Pressure is inversely proportional to area
Write Increase or decrease in pressure according to the given area.
Conclusion
Pressure in liquids
Identify the property that matches with the given statement.
Check whether the pressure = force/area formula can be used.
Conclusion
Pressure in gases
Check in the statement, whether the surrounding is at low air pressure or the object.
Write, Air flows from high pressure to low pressure
Write the correct flow of air taking place
Conclusion