MEDIUM
8th CBSE
IMPORTANT
Earn 100

 How does the pressure of a liquid depend on its depth? Draw a labelled diagram to show that the pressure of a liquid (say, water) depends on its depth. 

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Long Answer Type Questions>Q 65
Explain why the walls of a dam are thicker near the bottom than at the top.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 66
Which of the following is not an example of muscular force?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 67
Which of the following is not an example of the force of gravity?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 68
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 69
A rectangular wooden block has length, breadth and height of 50 cm, 25 cm and 10 cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground? 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 70
Which of the following are contact forces ? 
A. Friction
B. Gravitational force
C. Magnetic force
D. Muscular force 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 71
If we release a magnet held in our hand, it falls to the ground. The force responsible for this is:
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 11 - Force and Pressure>Multiple Choice Questions (MCQs)>Q 72
Which of the following force is utilised in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories?