MEDIUM
8th CBSE
IMPORTANT
Earn 100
P, Q, R and Sare four solid objects having the same mass. Which object is exerting the least pressure on the table?
68% studentsanswered this correctly
Important Questions on Force and Pressure
EASY
8th CBSE
IMPORTANT
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
MEDIUM
8th CBSE
IMPORTANT
Look at the figure and say what the net force on P is
EASY
8th CBSE
IMPORTANT
A rectangular wooden block has length, breadth and height of 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
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
It is difficult to cut cloth using a pair of scissors with blunt blades. Explain.
MEDIUM
8th CBSE
IMPORTANT
Two rods of the same weight and equal length have different thickness. They are held vertically on the surface of sand as shown in Figure. Which one of them will sink more? Why?
HARD
8th CBSE
IMPORTANT
Science Quiz/Puzzle
Down
1. A violent storm with an intense spiral
3. In Japan, cyclones are known by this name
4. The envelope of air surrounding the earth
7. Moving air
Across
2. Thunderstorm is accompanied with this
5. An instrument used to measure air pressure
6. A violent dark funnel-shaped cloud
8. In America, cyclones are known by this name
HARD
8th CBSE
IMPORTANT
A cube of side 'a' rests on the floor as shown in the given figure. Given that the pressure exerted by this cube on the floor is 'P', what is the pressure exerted by another cube of the same material of side '4a'? (Take )
