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Which of these demonstrate stable equilibrium?
A
Which of these demonstrates unstable equilibrium?
C
Which of these demonstrates neutral equilibrium?
B
What does the distance multiplier do?
it moves the load through a greater distance than the effort moves.
What does a force multiplier do?
it uses a small (effort) force to create a larger force (to move a large load).
A _________ object is unlikely to topple over.
Stable
Name the three types of equilibrium
stable, unstable and neutral
Which direction will B turn?
B will turn in an anticlockwise direction.
Which direction will A turn?
A will turn clockwise
Which is balanced?
A and C
What happens when the clockwise moment is equal to the anticlockwise moment?
Nothing. the system is balanced and there is no turning effect.
The point at which the weight of an object seems to be concentrated is the___________.
center of gravity
What happens when the anticlockwise moment is larger than the clockwise moment?
An anticlockwise moment results
If a 10 N load is placed 5m from the fulcrum, what is the size of the moment produced??
50Nm
How is moment calculated?
Force x perpendicular distance
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