MEDIUM
8th CBSE
IMPORTANT
Earn 100

Mark fills a bottle completely with water. The bottle has three same-sized plugged holes on its wall. Mark pulls out the plugs and checks the position of the stream of water coming out.

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What does Mark's activity show?

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Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 5
Which of these is an example of a contact force?
MEDIUM
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 6
Which of these is true for force?
MEDIUM
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 7

P, Q, R and Sare four solid objects having the same mass. Which object is exerting the least pressure on the table?

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EASY
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 8
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
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MEDIUM
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 9
Look at the figure and say what the net force on P is
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EASY
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 10
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? 
MEDIUM
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 11
To increase the area of contact with the road and to reduce _____(Pressure / Force), heavy load-bearing vehicles have more number of tyres.
HARD
8th CBSE
IMPORTANT
Science Textbook of Competency Based Questions for Class VIII>Chapter 8 - Force and Pressure>Exercise>Q 12
It is difficult to cut cloth using a pair of scissors with blunt blades. Explain.