MEDIUM
8th CBSE
IMPORTANT
Earn 100

Does the force of gravitation exist between two astronauts in space?
 

Important Questions on Force and Pressure

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.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 23
A man is pushing a cart down a slope. Suddenly the cart starts moving faster and he wants to slow it down. What should he do?
 
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>SHORT ANSWER QUESTIONS>Q 24

Figure shows a car sticking to an electromagnet. Name the forces acting on the car? Which one of them is larger?

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MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 11 - Force and Pressure>LONG ANSWER QUESTIONS>Q 25
An archer shoots an arrow in the air horizontally.
However, after moving some distance, the arrow falls to the ground. Name the initial force that sets the arrow in motion. Explain why the arrow ultimately falls down?