Kinetic and Potential Energy
This type of energy is known as the energy associated with motion
What is kinetic energy?
An object sits at the top of a hill at rest, what is the object’s kinetic energy?
What is 0?
Heat having direct contact with a pan is an example of
A. Convection
B. Conduction
C. Radiation
What is B, Conduction?
What is an example of potential energy A. Sitting on a chair B. Running away from a monster C. Falling into a hole
What is A?
This is the unit of energy.
What is a Joule?
Potential energy is most commonly known as the energy of _______
What is position?
What is the equation for kinetic energy?
What is KE=1/2mv2?
An object possesses 15J of potential energy and 5J of kinetic energy. What is the Mechanical energy
What is 20J?
True Or False, an object that is moving down a hill but hasn’t reached the bottom yet still has potential energy?
What is True?
What is the letter used for “the acceleration due to gravity”?
What is g?
The addition of kinetic and potential energies is known as the _______
What is mechanical energy/total energy?
If the mass of an object doubles, what happens to the kinetic energy?
What is doubles or increases?
Suppose the total mechanical energy is entirely equal to the potential energy, where is the object?
At the top of a hill, rollercoaster, maximum height
A rollercoaster sits at the bottom of the track with a total mechanical energy of 2kJ. How much of this energy is potential?
What is none or 0?
Mechanical Energy is the addition of these two energies
What is Kinetic + Potential?
A 2kg ball at the top of the hill 15m above the ground possesses how much potential energy?
What is 294 J?
An object possesses 56 Joules of energy at the top of hill when the object is at rest. What is the objects kinetic energy at the bottom of the hill?
What is 56 Joules?
What heat doesn't need a medium to travel through it is an example of
A. Convection
B. Conduction
C. Radiation
What is C, Radiation?
True or false: a wrecking ball/pendulum is an example of potential energy?
What is true?
Gravitational Potential Energy is also known as ___________.
What is potential energy?
The Law of Conservation of Energy states______________________.
What is that energy is neither created nor destroyed it just changes form?
Daily Double: Suppose the speed of an object triples, how much does the kinetic energy increase by?
What is a factor of 9 (32 or 9 times )?
Give an example of where convection happens in real life.
What is in buildings where heat rises then cools and sinks and then heats up and rises again? Or the mantel causing the shifting of our tectonic plates? or heating up liquids on a stove?
Answers may vary.
The equation for potential energy contains what number as a constant?
What is gravity?
Daily double: This type of energy is a part of mechanical energy and is gained through friction.
What is thermal energy?