MEDIUM
8th CBSE
IMPORTANT
Earn 100

Explain the effects that a force acting on an object can have on the object.

Important Questions on Force and Pressure

HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q E
Describe an experiment to show that air exerts pressure in all directions.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 1
If a body is moving with uniform speed in a particular direction on a perfectly smooth surface, then no force is acting on it.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 2
If you use a stick to push an object, the muscular force acing on the object is a non-contact force since your body is not in contact with the object. 
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 3
Gravitational force exists between you and building. Why are you not pulled towards the building?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 4
Why do you think it is necessary to define a separate quantity called pressure? Why is defining only force not enough?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 5
Suppose you are going in a jet plane, and one of the windows breaks due to an accident. What problems do you think you will face?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 11 - Force and Pressure>EXERCISES>Q 6
If you press a rubber sucker on a rough surface, it does not stick to the surface. Why?