Question

please help !!!important
all6​

Answer 1

I am only get the answer first question

Answer 2

Explanation:

1-Measurement is defined as the act of measuring or the size of something. An example of measurement means the use of a ruler to determine the length of a piece of paper. An example of measurement is 15" by 25".

2-Unit. Use unit in a sentence. noun. The definition of a unit is a fixed standard amount or a single person, group, thing or number. An example of a unit is a single apartment in an apartment buildin

3-Three requirements for selecting a unit are

1. The unit should be reproducible.

2. It should be possible to define the unit without ambiguity.

3. The value of the unit should not change with space and time.

4-The three fundamental physical quantities in mechanics are length, time and acceleration. length, time and force. length, time and mass. length, velocity and mass.

5-In mechanics, length, mass and time are the three fundamental quantities. They are independent of each other and all other quantities can be related with them. For the units of these three basic quantities, following systems have been used: (i) C.G.S.

6-each of a set of unrelated units of measurement, which are arbitrarily defined and from which other units are derived. For example, in the SI system the fundamental units are the metre, kilogram, and second

hope it helps you..marks my brainlist...if understand...