Laws and Such
Energy
Forces
Circles!
Basics
100
F = ma
What is Newton's second law?
100
KE + PE = KE' + PE'
What is the equation that shows energy is conserved?
100
A push or pull on an object with a specific magnitude and direction.
What is a force?
100
the time it takes to cover one revolution
What is the period?
100
9.8 m/s^2
What is the acceleration due to gravity?
200
"An object in motion stays in motion, and an object at rest stays at rest unless acted upon by an outside force" (Law of Inertia)
What is Newton's first law?
200
1/2mv^2
What is kinetic energy?
200
F=ma
What is Newton's second law?
200
v^2/r
What is the equation for centripetal acceleration?
200
Displacement/ time
What is the equation for velocity?
300
Laws of planetary motion (person who wrote them)
What are Kepler's Laws?
300
The ability of an object to do work
What is energy?
300
A force acting on an object or system that originates outside the object or system
What is an external force?
300
mv^2/r
What is the equation for centripetal force?
300
Has magnitude and direction
What is a vector?
400
Any object bound to another by an inverse square law will move in an elliptical path
What is Kepler's first law?
400
Force x Distance, Change in PE, Change in KE
What is work?
400
Kinetic friction, air drag, propulsive forces
What are ways in which a force is not conservative?
400
Force tangent to the circle
What is tangential velocity?
400
Velocity has a direction, speed does not
What is the main difference between speed and velocity?
500
"For every action there is an equal and opposite reaction"
What is Newton's third law?
500
(KE + PEg + PEs) = (KE + PEg + PEs)'
What is the equation that shows that elastic potential energy is conserved?
500
G(m1m2/r^2)
What is the equation to find the force of one object on another?
500
"center seeking"
What does centripetal mean?
500
an object that is projected and continues to move due to its own inertia
What is a projectile?
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