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Newton's Second Law
of Motion - Unbalanced Forces
(continued from the previous page).
In the picture below,
the forces are
unbalanced
even though they are in opposite directions
because one is bigger than the
other.
The unbalanced resultant
force
is 15 - 5 N
= 10 N
pointing to the left.
This will cause a change in
motion, called acceleration.
What are the Effects of Acceleration?
If the object above is not
moving,
the unbalanced force will start to move it to the left.
If it is already moving to the
left,
the unbalanced force will make it move faster.
If it is already moving to the
right,
the unbalanced force will make it move
slower.
Links
Forces and Motion
Force
Revision Questions
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