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IPC Final Exam
Final Exam Review
| Question | Answer |
|---|---|
| Explain Acceleration as you go up a hill and then down on the other side? | Uphill is negative acceleration (slowing down), down hill is positive acceleration |
| A cross country runner runs 10 km in 40 minutes . What formula do you use to solve this problem? | S = D/T |
| A high speed train travels with an average speed of 227 km/h. The train travels for 2 h. How far does the train travel | d=454 |
| What is the acceleration of a car that goes from 32 m/s to 96 m/s in 8.0 s. What formula do you use to solve this problem? | a= Vt - Vi/ T |
| A Car has an acceleration of -5 m/s2. Describe the car's motion. | Braking/slowing down |
| According to the graph above, what was the bicycle's acceleration between 6 and 10 seconds? | -a=0 or No acceleration - Constant speed - Cyclist is still moving |
| The relationship among mass, force, and acceleration is explained by | Newton's 1st Law or Law of Inertia - "Table Clock Trick" |
| A 300-N force acts on a 25 kg object. The acceleration of the object is | F= MxA or Newton's 2nd Law 300n=25Kg xa a= 12 m/s2 |
| A material that reduces the flow of heat by conduction, convection, and radiation is | Insulator |
| Which of the following would be the best insulator? | Air |
| If particles move more ______________ the object temperature falls? | Slowly |
| In a step-up transformer, the number of turns of wire is greater in which coil? | Secondary |
| In a step up transformer the __________voltage exceeds what the input voltage | Output |
| The magnetic force of a magnet is strongest at the | Poles |
| A dry-cell battery produces a | direct current |
| In the United States, power lines can carry power voltages as high as 750,00 V, a __________________ transformer reduces the voltage to 120 V for home user. | Step down |
| A transformer that increases voltage is a ____________________ transformer | Step up |
| The guages on the dashboard of a car are | Galvanometers |
| What are aligned to a magnet according to the magnetic fields | Atoms |
| What is the induction is the process of producing an electric current by moving a loop of wire through a magnetic field | Electromagnetic |
| The current that flows in an electric circuit carries what type of energy | Electrical |
| The function of a generator is to change mechanical energy to what type of energy | Electrical Energy |
| The function of an electric motor is to change electrical energy to | Mechanical Energy |
| A simple transformer consist of two coils of wire called what type of coils? | Primary and Secondary |
| A switch that reverses the direction of the current in a motor is a | Commutator |
| A device that uses an electromagnet to measure electric current is a | galvanometer |
| Objects that keep their magnetic properties for a long time are called what type of magnet | Permanent |
| The region around a magnet where the magnetic forces act is the | Magnetic field |
| Current that reverses direction in a regular pattern is called | Alternating current |
| The location of the strongest magnetic forces is the magnetic | Poles |
| Current that does NOT reverse direction is called | direct current |
| A device that increases or decreases voltage in a power line is a | Transformer |
| Paper clips and other object that contain iron can become | Temporary magnets |
| Before alternating current from a power plant can enter a home, its voltage must be | Transformed/Decreased |
| Moving a wire through a magnetic field creates an ______________________ in the wire | Electrical Current |
| An electric motor is used to change electrical energy into what type of energy? | Mechanical |
| The Strength of an electromagnet can be increased by __________ the number of turns on the wire coil. | More |
| When you bring the south ends of two magnets close together , they do what to each other? | Repel |
| What is a fuse ? | contains a piece of metal that metal if the current become too high |
| What is a circuit breaker? | contains a piece of metal that bends when it get hot |
| What is a Insulator? | does not allow electrons to move through it easily |
| What is a Conductor? | allow electrons to move through it easily |
| What is a Non Renewable Energy? | Fossil Fuels |
| What is Sound Energy? | associated with vibration of matter |
| What is Nuclear Energy? | is from nucleus of atom |
| What is Radiant Energy? | made up of waves called electromagnetic wave |
| What is Heat Energy? | results from the movement of particle and also produces light in some instances |
| What is Electrical? | is when an electrical current flows |
| What Mechanical ? | is the energy of moving object |
| What is Chemical? | energy produced during a chemical reaction |
| What is Radiation? | is the emission or transmission of energy in the form of waves or particle through space or through a material medium |
| What is Convection? | Movement of heat by current in fluids |
| What is Conduction? | Movement of heat or electricity by direct Contact |
| Magic tablecloth trick is an example of which Newton's Law? | Newton's 1st Law |
| As the mass of a raccar increases , its forces increases is an example of which Newton's Law? | Newton's 2nd Law |
| Seatbelts and airbags is an exmaple of which Newton's Law? | Newton's 1st Law |
| Balloon Rocket is an example of which Newton's Law? | Newton's 3rd Law |
| Book sitting on a table is an example of what type of friction? | Static |
| Toy care on a race track is an example of what type of friction? | Rolling |
| Pushing box up a ramp is an example of what type of friction? | Sliding |
| Flying Airplanes is an example of what type of friction? | Fluid |
| Turning a wrench is an example of what type of Force? | Push and Pull |
| Kicking a ball is an example of what type of Force? | Push |
| Swinging in a swing is an example of what type of Force? | Push and Pull |
| Hauling object in a wagon is an example of what type of Force? | Pull |
| Wind blowing a ballon is an example of what type of Force? | Push |
| What is the formula for Force? | W= f x d |
| What is the formula for Momentum? | p=m x v |
| Eyeglasses, binoculars and cameras takes advantage of the principles of | Refraction |
| What occurs when a wave strikes an object and bounces off. | Reflection |
| Do Florescent light bulbs use less or more energy than incandescent lights? | Omit Less |
| What color is produced by blending the three primary pigments? | Omit Black |
| What type of electromagnetic waves does your body need to make vitamin D? | Omit UV light |
| What type of waves are Electromagnetic waves? | Transverse |
| What type of current do electrical wall outlets provide? | Alternating Current (AC) |
| What type of current does dry- cell battery produce? | Direct Current (DC) |
| Electric charge that has accumulated on an object is referred to as? | Static Electricity |
| The statement that current is equal to the voltage difference divided by the resistance is known as | Ohm's Law |
| One reason alternative energy sources are needed is because of | renewable resources |
| Petroleum, natural gas, and coal are the three kinds of ? | Fossil Fuels: Non Renewable |
| Which of the following energy conversions describes a radio playing music ? | Electrical ..... Mechanical |
| Which of the following energy conversions describes a person eating food? | Mechanical ...... Chemical |
Created by:
spotsville2
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