Measurement of Length and Motion Class 6 Very Short Question Answer

Measurement of Length and Motion Class 6 Very Short Question Answer

Measurement of Length and Motion Class 6 Very Short Question Answer

Question 1.

Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for each type of motion? Support your answer with reason.

Answer:

(1) Handle bar or seat,

(2) Pedal,

(3) Wheel.

Question 2.

What is meant by measurement ?

Answer:

Measurement means the comparison of an unknown quantity with some known quantity.

Question 3.

What is ‘unit’ ?

Answer:

The known fixed quantity used for measurement is called unit.

Question 4.

What is cubit ?

Answer:

A cubit is length from elbow to the fingertips.

Question 5.

Which system of units is now used ?

Answer:

The International System of Units or SI units are now used.