Potential Energy
What is Potential Energy?
Potential Energy is the energy stored in an object because of its position
What is Kinetic Energy?
Kinetic Energy is energy in the form of motion.
What is Force?
A push or Pull.
What are the different types of Potential Energy?
Gravitational or Chemical Energy.
Which of the following units are commonly used to measure kinetic energy?
Joules
The change in an objects position with respect to time and in comparison to the position of other objects used as reference points.
If you want to increase an objects potential energy, what two things can you change?
increase its height and mass.
Which of the following factors affect the kinetic energy of an object?
Mass and Speed of the object
What is Force measured in?
Newtons
_____ potential energy depends on its distance from the ground. The potential energy decreases the _____ the object is to the ground.
Gravitational, closer
Which of the following represents the relationship between kinetic energy (KE), mass (m), and speed (v)?
KE= m*v
What do forces result in?
Forces result in a change in the speed or direction of motion.
When two objects interact, each one exerts a _____ on the other that can cause _______ to be transferred to or from the object.
force, energy
A car has a mass of 800 kg and is moving at 30 m/s. What is its kinetic energy?
360,000 J
The motion of an object can often be described differently depending on the ______.
Reference frame