while
making
that occur
measurements.
questions in your own words.
(a) Why is the weight of the same
object different on different planets ?
(b) What precautions will you take to
make accurate measurements in
day-to-day affairs ?
(c) What is the difference between mass
and weight?
5. Give reasons.
(a) It is not proper to measure quantities
by using body parts as units.
(b) It is necessary to get the weights
and measures standardized at regular
intervals.
6. Explain the need for accurate
measurement and the devices to be
used for that.
AN
Who is my companion ?
Group 'A' Group 'B'
(1) Velocity
(a) litre
(2) Area (b) kilogram
(3) Volume (c) metre/second
(4) Mass (d) kilogram/cubic metre
(5) Density (e) square metre
Project:
Collect information about various
physical quantities used in day-to-
-day life and the devices used for
their measurement.
OUD
Explain giving examples.
(a) Scalar quantity
() Vector quantity
Answers
Answered by
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Explanation:
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Answered by
5
Answer:
Answer to A)
The weight of the same object is different on different planets because an object weight is dependent on its mass and how strongly gravity pulls on it. The strength of gravity depends on how far away one object is from another. That's why the same object weighs different on different planets.
Weight is not the weight of that body. It's the gravity that acts on that mass. Your weight is also that gravity which acts on your body or mass.
Explanation:
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