Mr. Lewis 5th hour
5th hour Day:2 test
is the speed and direction of an object in motion?
the unit for force is the newton which stands for?
The net force of an object is measured by multiplying its mass times its acceleration?
Newton's 2nd law
amt. of water displaced by an object is equal to the buoyant force acting upon the object?
an object at rest will remain at rest or an object in motion will remain in motion unless an outside force acts upon it.
Newton's 1st law
the speed of a fluid is inversely proportional to the amount of pressure that fluid exerts
an airplane uses a curved wing called an _____ to create a lift
a gas less dense than air
_____ gravity and friction are always acting on you.
an increase in thermal energy causes
the lack of kinetic energy occurs at
absolute zero which is -273 degrees celsius
a teeter totter is an example of
1st class lever
a wheelbarrow is an example of
2nd class lever
a broom, rake, hockey stick, fishing rod
3rd class lever
as the fluid rises it cools and _____ in density
e=mc squared is the equation devised by
a joule stands for