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Question:
Read the following statements
$S _{1}:$ An object shall weigh more at pole than at equator when weighed by using a physical balance.
$S _{2}$ : It shall weigh the same at pole and equator when weighed by using a physical balance.
$S _{3}$ : It shall weigh the same at pole and equator when weighed by using a spring balance.
$S _{4}$ : It shall weigh more at the pole than at equator when weighed using a spring balance.
Which of the above statements is/are correct?
Read the following statements
$S _{1}:$ An object shall weigh more at pole than at equator when weighed by using a physical balance.
$S _{2}$ : It shall weigh the same at pole and equator when weighed by using a physical balance.
$S _{3}$ : It shall weigh the same at pole and equator when weighed by using a spring balance.
$S _{4}$ : It shall weigh more at the pole than at equator when weighed using a spring balance.
Which of the above statements is/are correct?
Updated On: Jun 14, 2022
- $S _{1}$ and $S _{2}$
- $S_{1}$ and $S_{4}$
- $S _{2}$ and $S _{3}$
- $S _{2}$ and $S _{4}$
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Physical balance measures the mass whereas spring balance measures the weight. As the mass remains unchanged at all places an object, shall weigh same at pole and equator when weighed by physical balance. Weight depends on the acceleration due to gravity as $g_{\text {pole }}>g_{\text {equator }}$, the object shail weigh more at poles that at equator when weighed using a spring balance.
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Concepts Used:
Units and Measurement
Unit:
A unit of a physical quantity is an arbitrarily chosen standard that is broadly acknowledged by the society and in terms of which other quantities of similar nature may be measured.
Measurement:
The process of measurement is basically a comparison process. To measure a physical quantity, we have to find out how many times a standard amount of that physical quantity is present in the quantity being measured. The number thus obtained is known as the magnitude and the standard chosen is called the unit of the physical quantity.
Read More: Fundamental and Derived Units of Measurement
System of Units:
- CGS system
- FPS system
- MKS system
- SI units
Types of Units:
Fundamental Units -
The units defined for the fundamental quantities are called fundamental units.
Derived Units -
The units of all other physical quantities which are derived from the fundamental units are called the derived units.
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