Forces
force of attraction between to objects with mass
What is a gravity?
The action/reaction law
What is Newton's 3rd law?
Force acting on a given area
What is pressure?
Length of the route between two points
What is distance?
SI unit for measuring force
What is newton?
When the net force is zero
What are balanced forces?
Law that explains the attraction between all matter in the universe
What is the law of universal gravitation?
Level at which air pressure is the greatest.
What is sea level?
A symbol that shows both size and direction
What is a vector?
SI unit for measuring pressure
What is pascal?
When the net force is NOT zero
What are unbalanced forces?
Law that describes how momentum is never lost
What is the law of conservation of momentum?
Law that explains how pressure is transmitted equally in a fluid
What is Pascal's law?
A measure of both speed and direction
What is velocity?
Overall force acting on an object
What is net force?
This type of friction slows you down in water or air
What is fluid friction?
The law of acceleration
What is Newton's 2nd law?
Law that explains why airplanes and birds can fly.
What is Bernoulli's law?
Any change in velocity
What is acceleration?
Upward force in a fluid
What is buoyant force?
counter force when something is stretched or compressed
What is elastic force?
The law of inertia
What is Newton's 1st law?
Law about buoyant force and displacement
What is Archimedes' law?
Calculated by dividing distance by time
What is a speed?
Makes moving objects hard to stop
What is momentum?
Two things that increase friction
What are mass and rough surfaces?
Law that explains why a cannon recoils when fired
What is Newton's 3rd law?
Caused by particles in a fluid moving around and bumping into each other
What is pressure?
Calculated by multiplying mass by velocity
What is momentum?
Measure of the force of gravity pulling on an object
What is weight?