Advertisements
Advertisements
Question
Define 1 Dyne.
Advertisements
Solution
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.
RELATED QUESTIONS
A spring is compressed against a rigid wall. Draw a neat and labelled diagram showing the forces acting on the spring.
Prove the force = mass x acceleration. State the condition when it holds.
Define Newton (the S.I unit of force)
Define 1 kgf how is it related to Newton?
Explain what is understood by the following statement 1 kilogram-force (kgf) - 9.8 newton
A body of mass 1 kg is thrown vertically up with an initial speed of 5 m s-1. What is the magnitude and direction of force due to gravity acting on the body when it is at its highest point? Take G = 9.8 n kg-1
Two balls of masses in ratio 1 : 2 are dropped from the same height find
a) the ratio between their velocities when they strike the ground and
b) the ration if the forces acting on them during motion.
A body of mass 50g is moving with the velocity of 10 ms-1. It is brought to rest by a resistive force of 10 N Find.
1) the retardation and
2) the distance that the body will travel after the resistive force is applied.
A man can open a nut by applying a force of 150 N by using a lever handle of length 0.4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?
Mention the two types of forces.
