Question

Assertion(A): The scientifically correct expression is “ The mass of the bag is 10 kg” Reason (R): In everyday life, we use the term weight instead of mass a. Both A and R are true but R is not the correct reason b. Both A and R are true and R is the correct reason c. A is true but R is false d. A is false but R is true

Answer 1

Ans-

d. A is false but R is true Weight and Mass is different term.

Mass is actual amount of material.

In earth gravitational force is present because amount of material high than mass so actual amount of material with gravity this term called as weight.

Mass is same of same material in earth and moon, but weight is different of same material in earth and moon.

 So in earth (A): The scientifically correct expression is “The mass of the bag is 10 kg In A sentence Instead of mass we use weight.