Download Position, direction, and speed – Balanced and Unbalanced forces

Position, direction, and speed – Balanced and Unbalanced forces
1. Position – its __location__ relative to another object (the reference point).
Examples: __above__,__below_,__beside_,__behind___,__ahead of___
The __distance_ (length) from the reference point changes when the object
moves.
The __point of reference__ is a stationary point in where the motion is
measured. It usually does not move.
2. Direction of motion is the course or path that an object is _moving_ and
can be determined by reading a _compass_ or described relative to
another object or the Earth.
Examples:
__north__,__south__,__east___,__west__,__right__,__left__,__forward___,
_toward__,__up__,__down__
3. Speed – measure of how _fast_ an object is moving.
4. Unbalanced forces change the _rate_ and _direction_ of the motion of
objects.
5. Forces can be balanced – equal in __strength__ but _opposite_ in
direction.
6. Only _unbalanced__ forces can cause changes in motion.
7. An unbalanced force is one that does not have another force of _equal_
magnitude (size) and opposite direction off-setting it.
Example: A larger ball hitting a smaller ball.
8. __Rate of motion__ is the speed of the object or how fast or slow the
object is moving.
9. Unbalanced forces can change the __rate_ or _direction_ of motion of an
object in different ways.
Newton’s 3 Law of Motion
1. Objects at rest stay at rest and objects at motion stay in motion unless
an _outside_ _force_ acts upon it.
If an unbalanced force acts on an object at rest the object will move in the
direction of the force.
A stronger force (_push_,_pull_) will make it move faster.
2. If an object is moving, an _unbalanced_ force will change the motion
of the object in different ways. It could _speed up_ the object, _slows it_
it down, make it change directions, or _stop_ it.
Force in same direction, object will go _faster_.
Force in opposite direction, object will _slow it down__ or
_stop it_.
Force from the side, object will _change directions_.
3. All forces occur in _pairs_, and these two forces are _equal_ in strength
and _opposite_ in direction.
2. Force = Mass x Acceleration - This means--Everyone knows that heavier objects require more force to move the
same distance as lighter objects.
3. For every action there is an equal and opposite re-action. This meansThat is to say that whenever an object pushes another object it gets
pushed back in the opposite direction equally hard.