Vocabulary
A push or a pull
What is force
A diver on top of a diving board is an example of___________energy
What is potential energy
Because work is a vector measurement, it has both a magnitude and
What is direction
The two factors of power are work and ________________.
What is time
Knife
What is a wedge
Stored energy
What is potential energy
A car rolling down a hill is an example of _____________________ energy
What is kinetic energy
What two measurements are needed to calculate work?
What is force and distance
Power is measured in _____________________.
What is watts
Example of a pulley
What is a flagpole, blinds, theatre curtains
A device that changes the amount of force exerted or the direction in which force is exerted
What is machine
A person skiing down a slope is ______________________ potential energy, and ____________________ kinetic energy.
What is losing potential energy and gaining kinetic energy
What do we call the distance between the start point and the end point?
What is displacement
The _________________ amount of time it takes to do work, the more power is produced.
What is shorter
What is the front of a ship considered
A wedge
the combination of 2 or more simple machines working together
What is compound machine
The ability to do work
What is energy
What is the standard unit of measurement for work?
What is joule
Two cars that weigh the same race up the hill. Car 1 gets there twice as fast as Car 2. Which car had more power?
What is car 1
Name two simple machines in a stapler
What is a lever (handle) and wedge (staple).
The mechanical that a machine provides I a real situation
What is a actual mechanical advantage
What is types of potential energy
In physics, work occurs when a _____ acts on an object to move it some distance from the start point.
What is force
Power = ___________________/ ___________________
What is WORK/TIME
List all 7 simple machines
What are pulley, wedge, inclined plane, wheel and axle, screw, gear, and lever