What is momentum?
What changes momentum?
Impulse
What is a machcine?
What is a satellite?
What is the Constant we use with newtons law of gravitation?
G
What is Power and what is the unit we use for power?
True or False? Can a machine multiply energy?
False
You can not have more energy output than was input.
Great force for a longer time = ________ impulse?
Same force for a shorter period of time= _______ Impulse?
Lower
Higher
What is the definition of Efficiency?
What is the definition of Work?
What is Kinetic Energy?
What is weight? What is Weightlessness?
What are the Ways that we can increase momentum?
The greater the ___________ from the earth, the less the ____________________ on an object.
What is the Law of conservation of momentum?
In the absence of external force, the momentum of a system remains unchanged.
What is the Law of conservation of energy?
What is a Projectile?
Is any object that moves through the air or through space under the influence of gravity.
Newton was not the first to discover gravity. Newton discovered that gravity is______________
Universal
What is Ellipse?
What Is Newtons Law of Universal Gravitation?
Everybody in the universe attracts every other body with a mutually attractive force.
What are the two different collisions and define them?
Define how your weight changes in different stages In an elevator.
What are the two important parts where we decide work is done?
What are escape speed and Velocity?