Newton's Laws Energy Energy Conversions GUTA Problems Law of Conservation of Energy
100
An object at rest will remain at rest and an object in motion will remain in motion at a constant speed in a straight line unless acted upon by an unbalanced force
What is Newton's 1st Law?
100
The ability to do work
What is the definition of energy?
100
Stored chemical energy, electrical energy, thermal and light energy
What are the energy conversions in a simple circuit (a battery, wires, light bulb) starting with the battery?
100
196 Joules
What is the GPE of a stone before it is dropped from a bridge if its mass is 2kg and the bridge is 10m high?
100
Energy cannot be created or destroyed, it can only change form
What is the law of conservation of energy?
200
force = mass x acceleration
What is Newton's 2nd Law?
200
Stored energy in a stationary object
What is potential energy?
200
Light to electrical
What are the energy conversions in a solar panel?
200
100 Joules
What is the kinetic energy of a runner with a mass of 50kg that is running at a speed of 2m/s?
200
GPE, KE, thermal energy, mechanical energy, magnetic energy, electrical energy
What different forms of energy are involved in the movement of a rollercoaster?
300
For every action force there is an equal and opposite reaction force
What is Newton's 3rd Law?
300
Energy associated with movement
What is kinetic energy?
300
Stored chemical energy, electrical energy, light, sound and heat energy
What are the energy conversions in a battery operated alarm clock?
300
6 Newtons
What is the force of a bat upon a baseball that has a mass of 0.5kg and an acceleration of 12m/s/s?
300
The Joule
What is the unit that energy is measured in?
400
The tendency of an object to remain at rest or remain in motion
What is the definition of Inertia?
400
Potential Energy
What kind of energy does a person standing on a diving board have?
400
Stored chemical energy, kinetic energy, mechanical energy, thermal energy
What are the energy conversions involved in riding a bicycle?
400
50 km/hr
What is the velocity of a car that travels 100km in 2 hours?
400
At its peak, it has the most potential energy, as it falls that energy is converted to kinetic energy. The pendulum has the greatest kinetic energy at the bottom of its swing. As it begins to move up the other side of its swing, the KE is converted back to GPE as it slows to a brief stop.
Describe the energy conversions of a pendulum from GPE to KE to GPE
500
5N
What force is applied to a soccer ball with a mass of 0.5kg and an acceleration of 10m/s/s?
500
Kinetic Energy
What kind of energy does a cart rolling down a hill have?
500
Chemical potential energy, light and thermal energy
What are the energy conversions involved in burning wood?
500
2m/s/s
What is the acceleration of a toy truck with a velocity of 6m/s over 3s?
500
GPE
What kind of energy does a ball have before it falls back to Earth if it is thrown straight up?






Energy and Work

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