True/False
The less energy an object uses, the faster it can move.
What is false?
Calculate the work done when 130 N of force is used to lift Thor's Hammer 3m.
What is 390 N*m / J?
Work = ____ x ____ .
What is Force x Distance?
The ability to do work or cause change.
What is Energy?
The energy of an object due to its motion.
What is Kinetic Energy?
Electromagnetic Radiation does NOT need a medium, air or water, to travel through.
What is True?
A chihuahua lifts a taco 2m with a force of 40N. Find the work done.
What is 80 N*m?
Power = ___ / ___ OR Power = ____ x ____ / ____.
(Hint: NOT in regards to energy transfer)
What is Power = Work / Time
or
Power = Force x Distance / Time
A push or a pull.
What is Force?
Refers to things that are or can be in motion.
What is Mechanical Energy?
Waves travel through matter, moving the matter to a new place.
What is False?
Without*
Dr. Benson lifts Wren Middle School 1 m OFF THE GROUND with a force of 98,000,000 N. Calculate the work done by her.
(Double Points for using the correct unit for work/energy)
What is 98,000,000 N*m or 98,000,000 J?
Mechanical Energy = _____ + ______
What is Mechanical Energy
= Potential Energy + Kinetic Energy
The rate* at which work is done.
What is Power?
The energy an object has because of its position.
What is Potential Energy?
Energy is created and also destroyed.
(What law is this for full credit?)
What is False?
What is the Law of Conservation of Energy?
A student pushes a box using a force of 50 newtons across the floor for a distance of 10 meters in 5 seconds.
Calculate the power used.
What is 100 N*m/s OR J/s OR W (Watts)?
Gravitational Potential Energy =
What is Gravitational Potential Energy
= Weight x Height Above Ground
A nucleus splits* into smaller fragments; when it breaks apart, it releases energy.
What is Fission
Results from the relative position of the particles within a material.
What is Chemical Energy?
Energy transfer and energy transformation ARE the same.
(Explain/Example of why or why not for full credit)
What is false?
Heat to Heat - Transfer
Heat to light - Transformation
Sonic the Hedgehog has a mass of 67kg and was running at 1,000,000 meters per second. Calculate the energy.
What is 35,500,000,000 kg*m^2/s^2 or J?
Kinetic Energy =
What is Kinetic Energy = 1/2 x Mass x Speed^2
A small nuclei combines to form larger nuclei.
What is Fusion?
Associated with the three methods of heat transfer.
(For full credit, name the 3)
What is Thermal Energy?
What is Conduction, Convection, and Radiation?