The thickness of a fluid or the resistance of a liquid to flow is...
Viscosity
The Avengers traveled 200 miles in 8 seconds. What was their speed?
25 miles/s
Acceleration due to gravity?
9.81 m/s/s
The prefix kilo- means...
one-thousand
Units for acceleration?
m/s/s, or m/s2
The part of a solution that dissolves the other substance.
Solvent
The dissolved substance in a solution is called a...
Solute
The place at which a lever is supported is called a...
Fulcrum (fixed point)
The attractive force between all objects in the universe is called...
Gravity
Define inertia.
The resistance of an object to a change in its motion
Newton's 1st law?
An object tends to remain at rest or moves with constant velocity unless acted upon by an outside force.
1 joule of work is the same as?
1 N-m
Newton's 2nd law?
F = mass x accel.
The phase of matter that is very high energy & dangerous to living things is...
Plasma
Newton's 3rd law?
When an object exerts a force on another object, the other object exerts a force equal in magnitude & opposite in direction.
Density of an object with a mass of 45 g & a volume of 3 cc?
15 g/cc
The Avengers traveled 200 miles in 8 seconds. What was their speed in mph?
25 miles/s * 60 * 60 = 90,000 mph
Rocket raccoon fell out of his ship near the surface of the Earth, what is his velocity after 20 seconds?
196 m/s (downward! - the direction!)
The mechanical advantage for a pulley (& only for a pulley)?
The number of load-supporting ropes!
The number of times a machine multiplies effort is the...
Mechanical advantage
A poor-performing hockey goalie is a...
Sieve!
Term for "word-for-word"
Verbatim
Two liquids mix together well; they are ________
Miscible
Molecules that contain a positive end & a negative end are...
Polar
The weight of an object varies with the...
Pull of Gravity