Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 2 - Force and Laws of Motion
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a) Define the term ‘force’.
b) State the various effects of force
Answer:
a) Force is defined as the influence which brings a moving body into rest or can make a resting body move.
b) Following are the effects of force:
i) Force can stop a moving object
ii) Force can move a resting object
iii) Force can change the direction of a moving body
iv) Force can change the shape of the body
v) Force can change the speed of a moving body
Video transcript
"hey guys welcome to lido q a video
i am vinit your leader tutor bringing
you this question on your screen
define the term force and state the
various effects of force
so let us look at part a first what is
force force
is an external
influence
on a body
so force is an external influence on a
body
which can change its in
its state
from rest to motion
that is it can bring a body from rest to
motion
or it can bring
or it can bring a moving body into
rest right so motion to rest
now let us look at part b state the
various effects
of force so what are the effects of
force
guys what are the effects of force that
you can think of
one from the definition itself
it can move
a body at rest
again from the definition
it can also
bring a
moving body to rest right
moving body to rest
now what else can a force do a force can
change the direction
direction of a movie moving body
right
of a moving body
also it can
change the shape of a body when a
balance force is applied
to a body from opposite directions it
can
change at sea so it can change
the shape of a body
can you think of anything else
i can right
it can
it can change the shape of a body it can
change the direction
and it can change
the speed
of a moving body
so that's that guys that was easy right
so if you still have a dog please leave
a comment below
do like the video and subscribe to our
channel
i'll see you in our next video until
then bye kids
keep learning keep flourishing
"
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