Advertisements
Advertisements
प्रश्न
Fill in the empty spaces
Can you give example for contact and non-contact forces?
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
State the effects of a force applied on a non-rigid and a rigid body. How does the effect of the force differ in the two cases?
How can you feel a force of 1 N?
How much acceleration will be produced in a body of mass 10 kg acted upon by a force of 2 kgf?(g = 9.8 ms-2)
A uniform car of mass 500g travels with a uniform velocity of 25 ms-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s calculate
1) the retardation
2) the distance which the car travels after the brakes are applied
3) The force exerted by the brakes.
Give two examples each of contact and non-contact forces.
Force acting on a given area is called pressure.
Give two examples to verify that a force tends to change the static condition of a body.
Two friends on roller-skates are standing 5 m apart facing each other. One of them throws a ball of 2 kg towards the other, who catches it, How will this activity affect the position of the two? Explain your answer.
Can you lift or push a book lying on a table without touching it?
The moon attracts Earth with a force of 1020 N, and then the force with which the Earth attracts the moon is ______.
