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8th CBSE
IMPORTANT
Earn 100

Why are the rear wheels of a tractor very wide?

Important Questions on Force and Pressure

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8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>ORAL QUESTIONS>Q 5
Why are cutting instruments, such as a knife, sharpened?
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>ORAL QUESTIONS>Q 6
On which two factors do the pressure exerted by liquids depend.
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8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>ORAL QUESTIONS>Q 7
A liquid exerts a pressure of 20 Pascals at its base. What is the pressure in the upward direction?
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8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>ORAL QUESTIONS>Q 8
Why do ink fountain pens start leaking at higher altitudes?
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8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>EXERCISES>Q I
The word force is associated with :
MEDIUM
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>EXERCISES>Q I
When a force acts on a moving object, it can make the object:
EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>EXERCISES>Q I
The force which is called into play when one body slides over another body is called :
EASY
8th CBSE
IMPORTANT
Learning Elementary Science with Online Support>Chapter 11 - Force and Pressure>EXERCISES>Q I
A dropper is kept in a beaker of water. When we press its bulb, the bubbles of air escape into water. On releasing the bulb, water enters the dropper. The flow of water into the dropper is due to :