Advertisements
Advertisements
प्रश्न
Define 1 Dyne.
Advertisements
उत्तर
1 dyne is that force which when acting on a body of mass 1 gram, produces an acceleration of 1 cm s-2 in it.
1 dyne = 1 g × 1 cm s-2.
संबंधित प्रश्न
Give one example in the case where Force is at a distance.
Define Newton (the S.I unit of force)
Complete the following
Newton is the unit of .................
Which of the following is not the force at a distance?
Two bodies have masses in the ratio 3 : 4 when a force is applied on the first body. it moves with an acceleration of 6 ms-2 . How much acceleration will the same force produce in the other body?
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.
______ has to be applied to change the ______ of a ______ object.
(moving, direction, force)
If we apply force against the direction of motion of the body, then the body will
Mention the two types of forces.
The trees are greenish. They are greenish at the tip too. How does the water rise upward in a tree or plant against the force of gravity?
