Unit 1
Displacement vs Distance
Displacement: A to B
Distance: The path
Newton's Laws
1: An object in x stays in x unless acted upon by an unequal force.
2: In the presence of a net force, an object experiences acceleration.
3: For every action, there is an equal and opposite reaction.
Mass & Force
Mass increases, force decreases (direct)
Work
The change in a state of a system caused by a force along a displacement
Position or distance vs time
Straight slope= constant velocity
Straight horizontal= no velocity
Curve= acceleration
Scaler vs Vector
Scaler: Size
Vector: Size and direction
Inertia vs Mass
Inertia: an objects resistance to change in motion
Mass: amount of stuff in an object
Radius & Force
radius increases, force decreases (indirect)
Energy
The ability to do work
Velocity vs time
Straight horizontal= constant
Straight slope= acceleration
Area under= displacement
Intergal vs Derivative
Intergal: Area under
Derivative: Slope
Force diagram
Up: Normal, Down: Weight, Right: Applied Force, Left: Friction
Weight=Normal Force
Friction-Applied Force=Net Force
Kepler's Laws
1: All objects with mass have an elliptical path
2: Planets orbit faster closer to the Sun
3: T2=R3
Power
The amount of work done and the rate at which energy is transmitted
D vs T
Slope=velocity
Gravity
An attraction force between objects which causes free fall.
Coefficient of friction
0= smooth
1= rough
Coulomb's Law
Opposite charges attract, like charges repel.
Initial Potential Energy
it is equal to the max kinetic energy
V vs T
slope = acceleration
Distance, Velocity, and Acceleration
D slope is V. V slope is A. A area is V. V area is D.
Centripetal Force
Force goes in, velocity goes out
Charge diagrams
Positive: Away
Negative: Towards
Total work done
equal to the change in the system's kinetic energy
Velocity can be
negative