EASY
8th CBSE
IMPORTANT
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While sieving grains, small pieces fall down. Which force pulls them down?
 

Important Questions on Force and Pressure

EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>VERY SHORT ANSWER QUESTIONS>Q 15
Does force of gravity act on dust particles?
 
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>VERY SHORT ANSWER QUESTIONS>Q 16
A gas filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity?
 
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>VERY SHORT ANSWER QUESTIONS>Q 17
Does the force of gravitation exist between two astronauts in space?
 
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 18
A chapati maker is a machine which converts balls of dough into chapati's. What effect of force comes into play in this process?
 
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 19

Figure shows a man with a parachute. Name the force which is responsible for his downward motion. Will he come down with the same speed without the parachute?

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MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 20
Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied.
 
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 21
Two thermocol balls held close to each other move away from each other. When they are released, name the force which might be responsible for this phenomenon. Explain.
 
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 22
Fruits detached from a tree fall down due to force of gravity. We know that a force arises due to interaction between two objects. Name the objects interacting in this case.