Advertisements
Advertisements
प्रश्न
Answer the following in detail.
List all the forces acting on a boy sitting on a chair with the help of a suitable diagram.
Advertisements
उत्तर
1. Gravitational force (noncontact) acting downwards, Fgrav
2. The normal contact force of the chair acting upwards (Fnorm)
Both the forces are opposite and equal and balance each other.

APPEARS IN
संबंधित प्रश्न
Give one example of slows down motion to indicate that the application of a force?
Give one example of deforms a body to indicate that the application of a force?
Name the type of force which act in the following case:
A horse moves a cart
In which case will there be more friction between the truck and the road: when the truck is empty or when it is loaded?
Answer the following in short.
Why does a charged balloon stick to a wall?
Solve the following numerical problem.
Two persons are pushing a car with a force of 30 N and 70 N in opposite directions. Calculate the resultant force and its direction.
Answer the following in short.
Why do wrestlers rub powder on their hands before getting into the ring?
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
Two women are of the same weight. One wears sandals with pointed heels while the other wears sandals with flat soles. Which one would feel more comfortable while walking on a sandy beach? Give reasons for your answer.
Mention the factors on that the effect of a force depends.
