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Effects of Force
Science
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Effects of Force
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Effects of force
Moving a stationary object, stopping a moving object and changing the speed of an object that is in motion
A float object
Buoyant force equals to the weight of the object
A submerge object
Buoyant force is less than the weight of the object
Lever
A bar that rotates on a fixed point
Purpose of a lever
Allows us to do work easily an allows us to use minimal force to do work
Three parts of a lever
Effort, load and fulcrum
First class lever
Fulcrum is between load and effort
Second class lever
Load is between fulcrum and effort
Third class lever
Effort is between fulcrum and load
Moment of force
A force acting on an object can rotate the object at a fixed point (pivot or fulcrum)
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