Energy
Energy 2
Calculations/
Miscellaneous
Newton's Laws
Force
100
This is energy of motion
Kinetic Energy
100
True or False: Fossil Fuels are renewable sources of energy
False they are non-renewable
100
What is the net force on a box that is being pushed with 9N of force to the right and pulled with 3N of force to the left?
6N right (9N-3N)
100
Newton's 1st Law States: An object at rest.... Finish the sentence
stays at rest and an object in motion stays in motion unless acted upon by an unbalanced/outside force
100
What type of force is shown when a bungee cord pulls a bungee jumper back toward the platform
Elastic force
200
This type of energy is stored in a rollercoaster car at the top of a hill
Gravitational Potential Energy
200
List 3 types of fossil fuels
Coal, Oil, Natural Gas
200
What is the speed of a car that has traveled 100 meters in 20 seconds? YOU MUST SHOW ALL WORK
S=D/T S=100m/20s 5 m/s
200
Which of Newton's Laws is the Law of Action and Reaction?
3rd Law
200
Do magnets need to touch to exert a force on each other? Explain your reasoning
No magnets do not need to touch each other to exert a force on one another. Magnets will attract or repel without touching. There is a stronger magnetic force the closer the magnets are to one another
300
What is the energy transformation taking place when you put gasoline in a car?
Chemical-->Mechanical, Electrical, Heat, Light, Sound
300
List one type of renewable (alternative) energy and a benefit and drawback of it.
Answers will vary
300
True or False: When an astronaut goes to the moon, his weight stays the same
False: the astronaut's weight decreases but his mass stays the same
300
Give an example of Newton's 3rd Law
Answers will vary
300
Does a wooden block slide easier on a piece of wax paper or a piece of sandpaper? Explain your reasoning
Wax paper because there is less frictional force between the block and the wax paper than the block and the sandpaper.
400
What is the energy transformation taking place when a bicycle rolls down a hill
Gravitational potential energy-->mechanical kinetic energy, sound, thermal
400
Friction between objects creates this type of energy
Thermal energy
400
What is the mechanical advantage of a ramp that is 50m long and 3m tall?
MA= Length of Ramp/Height of Ramp MA= 50m/3m MA= 16.67
400
Give an example of Newton's 1st Law
Answers will vary
400
Weight is a measure of the ____________ force between objects and the Earth.
Gravitational
500
Describe how fossil fuels are made
Animal/Plant life dies and is buried and compacted over millions of years to form peat. Peat is then compacted with a lot of pressure and heat over millions of years and turns into coal
500
Label this diagram with any forces acting upon it as well as any energy transformations
Answer shown on the board
500
Define Work
Work is when you apply a force over a distance
500
Which of Newton's Laws describes why a dump truck takes more force to stop than a small car?
Newton's 2nd Law. Force=Mass x Acceleration.
500
What is the net force on an object that is being pushed 10N to the right and being pulled 2N to the right.
12N right (10N+2N)
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