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Basics of work and energy
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neet physics
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Summary Master The NCERT for NEET Physics - Vol.1 2020 - Neet
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Thermal Physics
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Work and EnergyExam culture
, ④☒⑧K② If force applied on an
object displaces it from its original
the line then it is that is done
position along of action said work
Force (F)
work = ✗
Displacement ( s )
measured in Joule
work is scalar quantity No direction
of its own but a
magnitude
.
FORCE
90°
① Displacement
→ centripetal
force
work done = 0 asf and I are
perpendicular to each other Displacement
② F displacement
work done is positive
Positive work done
③ F Displacement isoo
Work done is negative
what is / Joule
of work ?
A situation where I Newton force is applied on an
Obgect that con more the
object distance in direction
by a of Im the
of the applied force ,
then
I Joule of work is Said to be done
E8M¥s2.☒☒
The capacity body is
of a to do work called the
energy of the
body .
The Ob)ect can
gain or lose
energy depending upon the
work done
if on
obyect does some work it tosses its energy and
if Some work
is it
done on an object gains energy
.
The the
Sun is
biggest source of energy
-
.
Most of the derived the
-
energy are
from fun
Some is received
from nucleus of atoms interior of the earth and the tides
energy
-
,
The is of work it
amount
of energy tossessed by a
body equal to the amount
-
can do .
Energy is a scalar quantity
81 Unit - Toute
lkillo Joule
=
1000J
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