Gravity
Isaac Newton discovered that ….
Gravity is universal
What is the classical definition of momentum?
The mass of an object multiplied by its velocity.
What is a projectile?
An object that travels through the atmosphere through a curved path.
Who was famous for discovering that an apple acts similar to the moon through gravitational pull?
Isaac Newton
Physics is the defined simply as.....
The interaction between matter and energy.
Why don't planets 'crash' into the sun?
They do not because the planets have what is called tangential velocity.
A collision in which objects colliding become distorted and generate heat during collision is an ….
inelastic collision
A vector quantity contains both ____ and ____.
magnitude and direction.
The last name of the scientist that calculated what "G" represented.
Cavendish
Why do 6 ounce boxing gloves hit harder than 16 ounce boxing gloves?
Less padding in 6 oz gloves, less ability to extend impact time.
The cause of ocean tides is …….
Ocean tides are caused by the differences in the gravitational pull of the moon on opposite sides of the Earth.
The greater the impulse exerted on something, the greater will be the change in momentum. Therefore...
Impulse = change in momentum or
Ft = change (mv)
The resultant of two perpendicular vectors is ….
the diagonal of the rectangle with two vectors as sides.
Discovered that gravity is universal.
Isaac Newton
This process tests manipulative variables and controls variables as well.
Controlled experiments
The deviation of an orbiting object from its path around the center of force caused by the action of an additional center of force is called.....
perturbation
The quantity force x time interval is called ….
Impulse
The two motions for a projectile are ____ and ____.
horizontal and vertical
The scientist that dropped two unequal weights off the Leaning Tower of Pisa.
Galleleo
It is possible that when a star implodes it will create a _____ which has a strong gravitational pull that does not permit light to escape.
black hole
What is the law stating that every object attracts every other object with a force.
The Law of Universal Gravitation.
When a car hits a haystack rather than a solid wall, you extend the _____ during which your momentum is brought to zero.
time
The diagonal of a square is the square root of 2 or ...
1.4
The scientist that discovered that planet Earth was not the center of the universe and that planets orbited around the sun, not Earth.
Copernicus
The _______ is a 8 step process that scientists use to solve problems and discover new ideas for society.
scientific method