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.
APPEARS IN
संबंधित प्रश्न
Give one example in the case where Force is at a distance.
The separation between two masses is reduced to half. How is the magnitude of the gravitational force between them affected?
Complete the following sentence:
Mass X change in velocity = ............x time interval.
Complete the following:
1 N = ............kgf (approx)
Complete the following
Newton is the unit of .................
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
A lead bullet of mass 20g, travelling with a velocity of 350 ms-1, comes to rest after penetrating 40 cm in a still target. Find:
1) the resistive force offered by the target and
2) the retardation caused by it
Moon or Cloud?
Observe the moon on a windy night with a fair bit of cloud cover in the sky. As the cloud passes in front of the moon you sometimes think it is the moon which is moving behind the cloud. What would you think if you were to observe a tree at the same time?

One kilogram-force equals to
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.
