Heat is the form of energy due to molecular motion. When energy
is added to an object its molecules move faster and heat is
generated.
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Term1/13
Is the total mass and energy in the universe constantly changing
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Definition1/13
The Law of conservation of mass-energy indicates that the
mass-energy of the universe is constantly changing to maintain the
mass-energy constant.
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Term1/13
Name the two forces that can affect an object's velocity
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Definition1/13
friction and gravity
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Term1/13
How does a substance change when its thermal energy changes
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Definition1/13
For example, when heat energy (thermal energy) is added to a
substance, either its temperature will increase, or it will change
its state (as when ice is melted).
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Term1/13
Thermal conduction is the transfer of energy
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Definition1/13
Yes it is.
Heat is form of energy and can be transferred through 3 mode
Conduction Convection and Radiation
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Term1/13
You test a machine and find that it exerts a force of 5 N for each 1 N of force you exert operating the machine What is the actual mechanical advantage of the machine
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Definition1/13
The mechanical advantage is 5.
Mechanical Advantage = Output Force/Input Force
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Term1/13
If the temperature is 79 degrees Fahrenheit outside what is the temperature in degrees Celsius
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Definition1/13
79F = 26.1C
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Term1/13
A car rolling down the hill is an example of
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Definition1/13
Kinetic energy.
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Term1/13
Which of the following is the best example of an open system
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Definition1/13
an anthill
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Term1/13
What is the relationship exists between the force exerted on a spring and the resulting elongation of the spring
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Definition1/13
F = kx
where F = force, k = spring constant or spring stiffness, x =
elongation
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Term1/13
How fast is 116 kph
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Definition1/13
116 kilometers per hour (kph) is 72.1 miles per hour.
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Term1/13
What kinda of machine is made of two or more simple machines
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Definition1/13
A complex machine.
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Term1/13
What is the point at which the net flow of thermal energy between two objects at the same temperature is zero
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Definition1/13
When the temperature of the two objects is equal, the Thermal
Flow will stop.
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Cards in this guide (13)
A form of energy due molecular motion
Heat is the form of energy due to molecular motion. When energy
is added to an object its molecules move faster and heat is
generated.
Is the total mass and energy in the universe constantly changing
The Law of conservation of mass-energy indicates that the
mass-energy of the universe is constantly changing to maintain the
mass-energy constant.
Name the two forces that can affect an object's velocity
friction and gravity
How does a substance change when its thermal energy changes
For example, when heat energy (thermal energy) is added to a
substance, either its temperature will increase, or it will change
its state (as when ice is melted).
Thermal conduction is the transfer of energy
Yes it is.
Heat is form of energy and can be transferred through 3 mode
Conduction Convection and Radiation
You test a machine and find that it exerts a force of 5 N for each 1 N of force you exert operating the machine What is the actual mechanical advantage of the machine
The mechanical advantage is 5.
Mechanical Advantage = Output Force/Input Force
If the temperature is 79 degrees Fahrenheit outside what is the temperature in degrees Celsius
79F = 26.1C
A car rolling down the hill is an example of
Kinetic energy.
Which of the following is the best example of an open system
an anthill
What is the relationship exists between the force exerted on a spring and the resulting elongation of the spring
F = kx
where F = force, k = spring constant or spring stiffness, x =
elongation
How fast is 116 kph
116 kilometers per hour (kph) is 72.1 miles per hour.
What kinda of machine is made of two or more simple machines
A complex machine.
What is the point at which the net flow of thermal energy between two objects at the same temperature is zero
When the temperature of the two objects is equal, the Thermal
Flow will stop.