Advertisements
Advertisements
Question
Solve the following numerical problem.
The masses of five marbles are 50 g, 55 g, 60 g, 65 g, and 70 g. Find their average mass.
Advertisements
Solution
The sum of masses of all marbles
= 50 g + 55 g + 60 g + 65 g + 70 g = 300 g
Number of marbles = 5
Average mass of a marble = sum of mass / no. of marbles
= 300 / 5 g
= 60 g
APPEARS IN
RELATED QUESTIONS
Fill in the blank:
The ............ of an object is measured with the help of a beam balance.
Match the following column:
| Column A | Column B |
| (a) Length of a housing plot | (1) Clock |
| (b) Breadth of a book | (2) Beam balance |
| (c) Mass of an apple | (3) Thermometer |
| (d) Period of time for study | (4) Measuring tape |
| (e) Temperature of a body | (5) Graph paper |
| (f) Surface area of a leaf | (6) Metre ruler |
Define one kilogram, the S.I. unit of mass.
We can say that mass of an object is 126 kg.
Find the odd one out.
1 kg of rice is weighed by ______.
State whether true or false. If false, correct the statement.
In everyday life, we use the term weight instead of mass.
The comparison of a known quantity with the unknown quantity is the mass.
Mass is ______.
Assertion (A): Mass, Length, and Time are fundamental physical quantities.
Reason (R): They are independent of each other.
