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20 questions
The transfer of energy through motion is....
Work
Energy Transfer
Fuel
Elastic
The ability to cause change or the ability to do work is...
Fuel
Thermal
Energy
Joules
Something that provides energy to do work
potential
Fuel
gravity
sun
Energy comes in two primary forms. These are...?
endothermic, exothermic
molecular, non-molecular
thermal, mechanical
potential, kinetic
Energy that is stored is....
Possible
Potential
Kinetic
Latent
This type of energy means the amount of energy an object has the opportunity to expel or release
Gravitational
Kinetic
Elastic
Potential
This form of energy is energy that is in motion....
kinetic
force
potential
elastic
Energy that is being used is.....
Kinetic
Potential
Work
Thermal
Energy and Work are measured in....
meters
grams
joules
time
Energy can be stored.
True
False
Fill in the blank:
The formula for Work is....W = F x ___
D, depends
D, depth
D, diameter
D, distance
The formula for Work is....W = F x D, what does F stand for?
Fight
Force
Forward
Foreign
Calculate: A car weighs 800 kg and is travel at 35 m/s. What's it kinetic energy ?
49,000 j
490,000 j
140,000 j
980,000 j
Energy that is stored by an object due to its position above the ground. Depends on weight and height
Elastic Potential Energy
Chemical Potential Energy
Gravitational Potential Energy
Ep = weight x height
Find the gravitational potential energy:
You notice a branch in your backyard is hanging precariously over your yard. It may fall in the next storm. you estimate it weighs 125N and will fall 5 meters.
125 j
545 j
625 j
16 j
Name a source of chemical potential energy
sun
heater
gasoline
neon light
You are moving a couch across the living room. The couch weighs 420 N and you need to move it 6 meters. Which formula are you going to use?
work
kinetic energy
potential energy
You are moving a couch across the living room. The couch weighs 420 N and you need to move it 6 meters. Calculate the work.
420 j
2520 j
2400 j
1600 j
A coiled spring that is stretched out has....
Chemical potential energy
kinetic energy
Elastic potential energy
no energy
A baseball player throws the ball from the outfield to 3rd base. The ball weigh 3 kgs and travels at 13 m/s. What formula should you use? Then calculate.
Work, 39 j
Kinetic, 253.5 j
Elastic Potential Energy, 39 j
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