Physical Science Final Flashcards
The volume of a cubic centimeter of water is;
1 cm(3)
An automobile’s acceleration may be changed by using the
steering wheel
30 m/s is a measure of…
speed
Vectors are represented by;
Velocity
Acceleration
Displacement
The essentials of the first law of motion were developed by
Galileo
Newton’s first law refers specifically to
Masses at rest or in motion
A net force ALWAYS produces
acceleration
The kilowatt is a unit of
power
Power is ___divided by ____
work
/
time
The most widely used source of energy in the US is…
petroleum
The temperature scale with no negative values is
kelvin
Heat is a form of
form of energy
Energy resulting from motion is called
kinetic
“Energy can never be created nor destroyed”
Law of Conservation of Energy
When the ____ of a pendulum decreases the _____ increases.
kinetic energy
potential energy
Besides fossil fuels, the only other significant commercial sources of energy are (2)
nuclear, hydroelectric
The SI unit of heat is the;
joul
