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potential energy
kinetic energy
simple machines
motion/speed
heat transfer
100
What are the five types of potential energy?
What is gravitational, stored, mechanical, nuclear, and chemical
100
what are the five types of kinetic energy?
What is motion, electrical, sound, radiant, and thermal
100
what are the six types of simple machine
What is lever, wheel and axle, wedge, inclined plane, pulley, and screw
100
define reference point. define position.
reference point: starting point position: distance and direction from reference point
100
What are the three types of heat transfer?
convection currents, radiation, conduction
200
Define potential energy
What is stored energy, the energy of position
200
Define kinetic energy
What is energy of motion.
200
work is the transfer of energy to an object by a force that makes an object move in the direction of the force.
define work
200
If Ted runs a 5K and starts and ends at the same point, what is his distance? what is his displacement?
distance: 5K displacement: 0
200
What type of heat transfer is involved when cooking a pancake?
conduction
300
solve for potential energy if you mass is 31g, height is 99m, and speed is 72m/h
20,470.23
300
solve for kinetic energy if you mass is 31g, height is 99m, and speed is 72m/h
What is 80,352
300
the rate at which work is done
define power
300
What is speed?
distance over time
300
What type of heat transfer is involved when warming your hands by a fire?
radiation
400
solve for potential energy if you mass is 3g, height is 71m, and speed is 310m/h
1,420.71
400
solve for potential energy if you mass is 3g, height is 71m, and speed is 310m/h
What is 144,150
400
the rate of output FORCE produced to input FORCE applied
define mechanical advantage
400
Melissa shot a model rocket 360m into the air. It took the rocket 4 s to fly that far. What was the average speed of the rocket?
90
400
What type of heat transfer is involved in tornados?
convection currents
500
solve for potential energy if you mass is 1g, height is 102m, and speed is 500m/h
680.34
500
solve for potential energy if you mass is 1g, height is 102m, and speed is 500m/h
What is 125,000
500
the ratio of output WORK to input WORK
define efficiency
500
A truck driver makes a trip that covers 230km in 28 hours. What is the drivers average speed?
8.21
500
which type of heat transfer is involved in liquids?
convection currents