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The force that one surface exerts on another when the two rub against each other is called
b.. d. .
According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
creates a friction with the hammer.
disappears into the wood.
exerts an equal and opposite force on the hammer.
moves at a constant speed.
Define the term inertia.
the amount of matter in an object
the amount of space an object takes up
the tendency of an object to resist a change in motion, determined by mass
The force that one surface exerts on another when the two rub against each other
With simple machines, you exchange force for ...
Which mirror(s) create a real image?
Which mirror(s) create virtual image?
Which is not a type of friction?
Newton's first law of Motion is
Energy is neither ________ or __________ it is _______________.
Which type of circuit only has one path?
The highest point of a wave is the ....
The distance from red line to red line is the ...
the pivot point on a lever is called the ...
A magnet is strongest at the
In a parallel circuit, when one light bulb goes out the other light bulbs ___________
to determine the mechanical advantage of a pulley system, you
count all of the ropes
you count all of the rope segments but the first
you count the ropes segments and divide by 2
True or false
In simple machines
Input work = output work
Rube Goldberg was an engineer and cartoonist who created drawings of machines that completed a ______ task in a ___________ manner.