Take a ball and place it on a level
surface as you did in Activity 7.3.
Make the ball move by giving it a
In doing so, you would apply a force
application of a force can only chai
speed of an object. Let us find out.
Activity 7.4
push [Fig. 7.8(a)). Now place a ruler
in its path as shown in Fig. 7.8(b).
pla
their team mat
move. Sometimes t
to the other side
pushing or smash
batsman plays h
applying a force o
bat. Is there ar
direction of motion
cases? In all these
and the direction
change due to ti
on the moving ball. Does the ball
continue to move in the same
direction after it strikes the ruler?
Repeat the activity and try to
obstruct the moving ball by placing
the ruler in such a way that it
makes different angles to its path.
In each case note your observations
about the direction of motion of the
ball after it strikes the ruler.
force. Can you
examples of this !
A change in ei
object, or its directi
is described as ac
motion. Thus, a
change in the st
object.
State
The state of mo
described by
direction of mot
is considered to
speed. An objec
motion; both ar
Does it mean
a force would alv
in the state of m
us find out.
It is common
a time applicatio
in a change in t
example, a heay
(b)
Fig. 7.8: (a) A ball set in motion by
pushing it along a level surface
and (b) the direction of motion
of the ball after it strikes the
ruler placed in its path
all even if you ar
that you can ex
force is observe
Answers
Answered by
0
State
The state of mo
described by
direction of mot
is considered to
speed. An objec
motion; both ar
Does it mean
a force would alv
in the state of m
us find out.
It is common
a time applicatio
in a change in t
example, a heay
(b)
Fig. 7.8: (a) A ball set in motion by
pushing it along a level surface
and (b) the direction of motion
of the ball after it strikes the
ruler placed in its path
all even if you ar
that you can ex
force is observe.
.
.
.
.
.
.
.
.
.
..
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
OK bye
Similar questions