Show:
Energy Definitions
Examples of Energy
Power Definitions
Examples of Power
BONUS!!!
100
What is potential energy?
the stored energy resulting from the relative of objects in a system
100
What are some examples of potential energy?
Examples: parked car, coiled spring, yoyo before released
100
What is power?
a quantity that measure the rate at which work is done
100
Example of power.
Example: starting up an engine
100
Who was the first American woman to be an astronaut? When? (worth 100000 points)
Sally Ride on the Flight Deck. Seen on the flight deck of the space shuttle Challenger, astronaut Sally K. Ride, STS-7 mission specialist, became the first American woman in space on June 18, 1983.
200
What is kinetic energy?
the energy of a moving object due to its motion
200
What are some examples of kinetic energy?
Examples: moving train, river, flying plane, heart
200
What is work?
a quantity that measure the effects of a force acting over a distance
200
Example of work.
Example: a weightlifter holds up the barbell over their head
300
What is mechanical energy?
the sum o he kinetic and potential energy of large-scale objects in a system
300
What are some examples of mechanical energy?
Examples: flowing river, gas molecules in the room, All the electrons spinning around the atom’s nucleus
300
What is mechanical advantage?
a quantity that measure how much a machine multiplies force or distance
300
Example of Mechanical Advantage.
Example: picking up a box requires more force rather then pushing it on a ramp