Advertisements
Advertisements
Question
The weight of a body is 2.0 N. What is the mass of the body? (g = 10 m s-2)
Advertisements
Solution
Weight, W = 2.0 N
g = 9.8 m/s2
Let 'm' be the mass of the body.
W = mg
Or, m = W/g = (2/9.8) kg = 0.2 kg.
APPEARS IN
RELATED QUESTIONS
In the Figure a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by (a) a block on the string and (b) a string on the block? Name and show them in the diagram.
Explain the meaning of the following statement '1 kgf = 9.8 N'.
State two important characteristics of mass.
What do you understand by the term weight?
A man weigh 800 N at the equator. How does the weight of man change at the following place?
100 km up in space
Do action and reaction act on the same body?
Is force a scalar or a vector quantity?
Why do objects fall towards the earth?
Does the force of gravitation between two objects depend on the medium between them?
Explain why:
A moon rocket needs to reach a certain velocity.
