Physics Final Exam Study Guide

General things to study in all topics: units for variables, relationships between the variables in the equations, what equations should be used to solve problems from each unit, etc....

Unit 1- Kinematics

- Define motion - Define acceleration - Acceleration ticker tape - position vs. time graph - calculations (initial velocity, final velocity, acceleration, time, displacement, etc...)

Unit 2- Vectors and Projectiles

- rules for adding vectors - vector vs. scalar quantities - determine magnitude and direction of a vector - determine vertical and horizontal components of a projectile launched at an angle - describe horizontal and vertical velocity changes of a projectile during its path - calculations (horizontal displacement, vertical displacement, time of projectile's path, acceleration, etc...)

Unit 3- Forces and Newton's Laws

- Define force - Define inertia - Describe the difference between mass and weight - Describe the force of the collision between two objects in opposite motion - Describe the acceleration of two objects that collide - Define friction - Describe the forces acting on a object at an incline - calculations (force, mass, acceleration, net force, applied force, frictional force, etc...)

Unit 4- Circular Motion and Gravitation

- What are the different forces that can act as centripetal forces? - On a diagram showing centripetal motion, where is centripetal acceleration vector located? velocity vector? centripetal force vector? - What are the characteristics of centripetal force? - calculations (gravitational force, centripetal force, centripetal acceleration, velocity, etc....)

Unit 5- Work/Power/ Energy/Momentum

- Force vs. Elongation graph for a spring - roller coaster/free fall in a vacuum - Ug and KE of a pendulum - calculations (work, power, kinetic energy, gravitational potential energy, etc...) - determine which object has greatest momentum based on mass and velocity - define impulse - how did cradling the egg during the egg toss affect its momentum? - define conservation of momentum and know how to use it in calculations - calculations (momentum, mass, velocity, etc...)

Unit 6- Electric Circuits

- define charge, current, resistance, and voltage - Ohm’s law and power - calculations (series, parallel, and combination circuits) - AC vs. DC - What type of circuit (series or parallel) has the least resitance? - What type of circuit has the most resistance?

Unit 7- Electricity and Magnetism

- What is the fundamental charge? - What type of charge results when an object loses electrons? gains? - calculate resultant charge when 2 charged conductors are objects of different chares are brought into contact - Coulomb’s law (force between two charges) - define electric field and know how to calculate: field due to a point charge, and field between two plates - define electric potential (energy per unit ______) - define electric potential energy (energy of a charge based on its ______in space) - Name and describe three methods of charging an object. Do the objects acquire the same or opposite charges? - describe electromagnetic induction - How does the induced voltage in a generator depend on the number of coils of wire? on the speed of rotation/ rate of change of magnetic field cutting the loop? - What is a transformer? Name two types of transformers and their effects on current and voltage.

Unit 8- Waves

- sound travels fastest through ______and slowest through ______. - light travels fastest through ______and slowest through ______. - determine which way a light ray will bend when changing media - know relationships between transverse, longitudinal, mechanical, electromagnetic, and examples - define frequency, amplitude, wavelength, period, speed of a wave - define reflection, refraction, diffraction, and interference - distinguish between constructive and destructive interference - What is a longitudinal wave? What are some examples? - What is a transverse wave? What are some examples? - identify the parts of a wave - identify the angle of incidence and the angle of reflection - be able to read ray diagrams and predict where a ray will reflect - know the difference between specular and diffuse reflection - Doppler effect (apparent pitch/frequency ______as an object approaches and ______as it recedes) - calculations (speed, wavelength, frequency, etc.)