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# PS Final : Physics

### Physical Science Final Exam Review for Physics Part

guidelines for describing object's specific location in space and time frame of reference
Force that always opposes motion friction
Law of Motion: F = ma 2nd
Anything that can cause an object to change its motion force
Law of Motion: "For every force, there is an equal and opposite force" 3rd
Displacement divided by time velocity
Quantity that has magnitude only scalar
Distance divided by time speed
Law of Motion: "An object in motion, will stay in motion until acted on by a net force" 1st
Quantity that has magnitude and direction vector
Shortest distance between 2 points displacement
Force that causes downward acceleration gravity
Force times distance work
Path of motion for all projectiles curved
Upward force opposing gravity air resistance
mass X gravity X height (object not moving) PE (potential energy)
half the mass X velocity squared (moving object) KE (kinetic energy)
sum of PE + KE ME (mechanical energy)
SI unit for work and energy J (Joules)
SI unit for force and weight N (Newtons)
SI unit for mass kg (kilograms)
Value for gravity on Earth 10 m/s/s
Amount of work done if object does NOT move Zero