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What is a Reference Point?
The location where motion is measured.
What is the equation to calculate work?
Work= Force X Distance.
Lifting objects requires work because you must use force to overcome_____________.
Gravity.
The ratio of output work to input work is…
Efficiency.
A grooved wheel with a rope or cable wrapped around it is…
Pulley.
Depending on your Reference point, your _____________________ could change.
Observations.
Force must be calculated in…
Newtons.
Doing work requires an object to __________________________ to another object.
Transferring Energy.
The ratio of output work to input work is…
Mechanical Advantage.
An inclined plane wrapped around a cylinder is…
Screw.
What is Motion?
Any change in the position of an object relative to a reference point.
Which unit of measure should distance be measured in?
Meters.
Power is…
Rate at which work is done.
Point about which a lever pivots or rotates is…
Fulcrum.
A machine that does work using only one movement is…
Simple Machine.
What is work?
The transfer of energy that occurs when force is applied over distance.
The SI unit for work is…
Joules.
Transfer is…
To move from one place to another.
A flat, sloped surface is…
Inclined Plane.
Sloped surface that moves is…
Wedge.
A force that does not make the object move does no...
Work.
The work on an object depends on the ______________of the force applied.
Direction.
Work is…
Transfer of energy to an object by a force that makes an object move in the direction of the force.
Made up of a bar that pivots about a fixed point is…
Lever.
Made up of a shaft or axle, attached to the center of a wheel such that both rotate together is…
Wheel and Axle.