Physics
In mechanics, the three fundamental quantities are:
- Length, mass, velocity
- Mass, time, density
- Mass, time, pressure
- Length, mass, time
Measurements
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Answer
Length, mass, time
Reason — In mechanics, length, mass and time are the three fundamental units. Unit of length is metre (m), unit of mass is kilogram (kg), unit of time is second (s).
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Related Questions
The condition(s) essential for a unit to be accepted internationally :
- The unit should be of convenient size and without any ambiguity.
- The unit should be reproducible.
- The value of the unit should not change with space and time.
- All of the above.
How many units are fundamental and supplementary?
- 2 fundamental, 7 supplementary
- 3 fundamental, 6 supplementary
- 7 fundamental, 2 supplementary
- 4 fundamental, 5 supplementary
The fundamental unit is —
- newton
- pascal
- hertz
- second
Which of the following unit is not a fundamental unit:
- Metre
- Litre
- Second
- Kilogram