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Forces
Forces and their effects
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Cards (6)
SI unit of force
Newton
(
N
)
A device that turns when a force is exerted is called a
lever
Ways in which a force may change the
motion
of an
object
Start an object
moving
Stop a
moving
object
Change the
speed
of a moving object
Change the
direction
of a moving object
Change the
size
and
shape
of an object
Effects of forces
Forces
can start an object
moving
Stop
a
moving
object
Change
the
speed
of a
moving
object
Change
the
direction
of a
moving
object
Change
the
size
and
shape
of an object x volume
Bring about
turning effects
in objects
The point about which the
lever
turns is called a
fulcrum
(or
pivot
)
How to measure a force
1.
Forces
are measured with
force-meters
(
newton meters
), such as
spring balances
2. There are two types of spring balances:
extension spring balances
and
compression spring balances
