2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam
Physics A Final Exam Review This is a list of what you should know and/or be able to do for the final exam. As always, you should review your class notes and use the book as a reference when you study. Chapter 1 – sections 1.1, 1.2 What are the major areas of physics? o Be able to list the topics and recognize examples of each topic Know the units for length, mass and time Know the difference between accuracy and precision. Be able to convert using metric prefixes. Memorize kilo, centi, milli. Know how to use scientific notation Convert km/h to m/s Know the steps of the scientific method What do graphs show us? Know which axes of a graph is the independent value and which is the dependent value (Review graphing checklist handout) Chapter 2 – Motion in 1-Dimension -- sections 2.1, 2.2, 2.3 Chapter Two Labs: Graph Matching Lab, Picket Fence Free Fall Lab Find distance and displacement Compare and contrast displacement and distance o Symbols, units, positive versus negative, path length Use the average speed formula Use the average velocity formula o Direction? Vector? Compare and contrast speed and velocity Position time graph o What is on each axis? o What does each point tell you? o What does the slope indicate about the motion? Positive? Negative? o What does a horizontal line mean? Why? o What does it look like to speed up? Slow down? Change directions? Given a position time graph describe the motion Draw a position time graph given an object’s motion Find the slope for a position time graph, know its significance What is acceleration? Use acceleration formula o Find acceleration o Find final velocity, initial velocity o Find Time
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2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam Chapter 2 continued… Velocity time graphs o Describe the motion of an object given velocity time graph o Sketch a velocity time graph given a description of motion o Find instantaneous acceleration from a graph o Find average acceleration from a graph o Find displacement of an object from a velocity time graph (see HW handout like this) Solve a problem using constant acceleration equations (kinematic equations) o Be able to solve for Displacement, final velocity, acceleration, time Solve a free fall problem (g=-9.8m/s2) o Object thrown up Initial speed? time for maximum height? Maximum height? o Object released and falling down Speed just before hitting the ground? Time before impact?
Chapter Three 2D Vectors and Projectiles – sections 3.1, 3.2, 3.3 Review all homework problems Chapter Three Labs: Projectile Motion Lab, Vector Shuffle Lab What is a scalar? What is a vector? How many components do vectors have? Be able to add parallel vectors Adding vectors that are not parallel: Tip to tail Know trigonometric functions (sin, cos, tan) Be able to resolve vectors Know component method to add vectors that are not perpendicular What force acts on projectiles in the air? What is its direction? When two spheres are fired, one horizontally and the other dropped, which will strike the floor first? Why? Which one is going faster when it strikes the floor? Why? Know vertical motion vs. horizontal motion for projectiles Be able to determine the acceleration due to gravity, the vertical velocity, and the horizontal velocity for any particular time in a projectile’s motion. Be able to solve projectile motion problems o Object dropped/launched horizontally o Object launched at an angle o Find time of flight, displacement vertically, displacement horizontally, horizontal velocity, final vertical velocity
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2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam Chapter 4 Forces & Newton’s Laws – sections 4.1, 4.2, 4.3, 4.4 Review all HW problems What is a force? What is a free body diagram? What is Newton’s 1st Law? o What motions does this law apply to? What is Newton’s 2nd law? o What motions does this law apply to? How do you calculate weight (force due to gravity)? o What is the difference between mass and weight? Be able to add perpendicular force vectors Be able to add force vectors using the component method. o Be able to use Net Force to find acceleration What is Newton’s 3rd Law? What is a normal force? o In what cases would the normal force change? o When does normal force equal weight? Be able to use the maximum static friction force and the kinetic friction force equations. o Know the difference between the two frictional forces o Know which frictional force is stronger Newton’s 1st / 2nd / 3rd Laws o Be able to apply laws to various demonstrations/applications Tablecloth trick/ hoop, nut, bottle/ hanging masses Launching objects into outer space Coin falling on moving bus/ neck injuries/ Horse and Cart/Water rocket/satellite/truck vs. compact car Be able to draw a free-body diagram for any situation and is it to write Newton 2nd Law equations. Situations might include: o Box sitting on the floor o Box being pushed/pulled on floor Horizontal force Force at an angle Accelerating box Constant velocity box or at rest o Box on an incline plane at rest o Box moving on an incline plane Accelerating Constant velocity o Feather falling at a constant velocity o Object suspended by a string (hanging mass) o Elevator Accelerating up or down Constant velocity or at rest o Object moving with constant velocity or at rest o A hockey puck slowing down 3
2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam Chapter 4 continued… Solve Newton 2nd Law equations for the above situations for o Coefficient of kinetic/ static friction o Kinetic/maximum static frictional forces o Acceleration o Normal force Chapter 12 – Hooke’s Law -- sections 12.1, 12.2; Also Energy of Springs and pendulums Review all HW problems Know the following: Be able to use Hooke’s Law for springs (find restoring force, spring constant, distance stretched/compressed) What is simple harmonic motion? Be able to identify if a motion is periodic or SHM For a block and spring o Identify max/min Velocity, kinetic energy, potential energy, force, acceleration For a simple pendulum o Identify max/min Velocity, kinetic energy, potential energy, Chapter 7 – Centripetal Force -- sections 7.2 Review all HW problems. Know the following: What formula is used for acceleration when an object is moving in a constant speed but changing directions by going in a circle? o Solve for tangential velocity (speed) o Radius o Centripetal acceleration What is the direction for the centripetal acceleration? What is the direction for the centripetal force? What does the magnitude of the centripetal force depend on? What provides the centripetal force for o The moon o A roller coaster: valley, hill, loop-de-loop o Car going around the bend What happens if the force that provides the centripetal force is not there (icy curve)? Be able to use the centripetal force formula to solve for any variable Draw a free body diagram and write equations for o Car on a curve o Tarzan swinging on a vine Chapter 9 – section 9.2 only (Pressure) Review all HW Know the following: o What is pressure? o Be able to use the pressure formula to solve 4
2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam o
Be able to explain: o Bed of nails o High heels on wet grass
Chapter 5 Energy – sections 5.1, 5.2, 5.3, 5.4 Review all HW Chapter Five Lab: Superbounce Lab Know the following: What is work in physics? Is doing homework work? How do you find work? Know when a force does no work on an object. When is work positive? Negative? Find net work or total work using net force or adding up individual works. Be able to draw a free body diagram for various situations, then use it to find the normal force, net force, or force components parallel to the displacement in the context of an energy problem o Pushing/Pulling a box on a horizontal surface o Box on incline plane sliding up or down o Box on incline plane pulling or pushing parallel to the incline plane Find the force of kinetic friction Use Kinetic energy formula. Use the work-kinetic energy theorem o Find final speed o Find Distance before coming to rest Find gravitational potential energy Find elastic potential energy Be able to apply energy conservation to a variety of problems o Inclined planes o Pendulums (swings) o Roller coasters o Projectiles o Freefall Be able to calculate power o Find force or net force using free body diagram o Find Work for a time interval o Find power using force or work
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2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam
Physics A Final Exam Review Practice Questions **The extra problems below are good for reviewing and practicing your problem solving skills. You should also review and look over HW problems that were assigned for each topic. See past Remind text alerts on my Fusion page for reminders of old assignments. Some of the more important HW assignments are included in this list.** Chapter 2 – Motion in One Dimension Pg 44 #1-6 Pg 47 #1 – 5 Pg 49 #1-3, 5 Pg 64 #1-6 Pg 69-71 #1, 3,5, 10, 14, 30 Graph Sketching WS Motion in a Straight Line worksheet Chapter 3 – Motion in Two Dimensions (Vectors & Projectiles) Pg 91 #1 -4 Pg 94 Practice 3B Questions Pg 105 #1-5 Pg 114 #30, 34, 35 Chapter 4 – Forces Pg 151-154 #1-4, 7, 10, 13-16, 20, 21, 24-26, 31, 38, 40, 47-49, 53, 55
Review Hanging Mass and Fig Newtons worksheet Review Fig Newtons worksheet (omit #8) Review Incline Plane Practice Problem & Incline Plane worksheet Review Hanging Mass WS and examples Free Body Diagram & 2nd Law Equation Practice WS
Chapter 12 – Hooke’s Law Pg 469 #8,9,46,47,56 Chapter 7 – Centripetal Force Pg 269-271 #25,26,38 Chapter 9 – Pressure Pg 331 #1 Pg 343 #10, 11
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2016 – 2017 Seaholm Physics A Tri 1 Review for Final Exam Chapter 5 – Work and Energy Pg 171 #5 Pg 180 #1-3 Pg 186 #1-3 Pg 189 Section Review #1-2 Pg 193-195 #7,19, 20, 33,34 Pg 469 #5, 53 (Pendulums & Springs) Review all class/HW worksheets
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