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Which scientist/philosopher taught that all motion is either natural or violent?
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Which scientist/ philosopher was given credit for theorizing that the earth went around the sun?
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Physics 1 Q+T

QuestionAnswer
Which scientist/philosopher taught that all motion is either natural or violent? Aristotle
Which scientist/ philosopher was given credit for theorizing that the earth went around the sun? Copernicus
Which scientist/ philosopher valued experiments over philosophical discussions? Galileo
For how long will a ball roll on a level surface? Forever, if no friction is present
Why does a hockey puck sliding across ice finally comes to rest? It comes to rest due to friction
An object in motion... will continue in motion unless a force acts on it
If the earth were no longer influenced by the sun's gravitational pull it would... travel in a straight line like all other moving objects
Pretend you are sitting in a car when the driver suddenly turns right, your body would turn left due to your tendency to keep moving forward
A package falls off a car at 60 miles per hour. The horizontal speed of the package is... about 60 mi/hr as it hits the road
Josh pulls with a force of 45N on a horizontal rope tied to a pole in a parking lot. The net force on the rope is? The net force is zero N
Josh pulls with a force of 45N on a horizontal rope tied to a pole in a parking lot. The tension in the rope is? The tension is 45 N
A block pulled to the left 30 N and to the right 15 N at the same time, experiences a net force of 15 N to the left
The resultant of a 400 N force at right angles to a 300 N force is 500 N (pythagorean theorem)
What is a scalar quantity? Volume
What is a parallelogram? Four sided figure with opposite sides that are parallel.
The equilibrium rule only applies to ... and never to..? Vector quantities Scalar quantities
The equilibrium rule applies to objects... Objects at rest and objects in motion with no external forces acting on them.
When you stand on a pair of bathroom scales, the reading on each scale... adds up to your weight
What is force: A push or a pull
What is inertia: A property of matter to resist changes in motion
Facts of the field of science are... changeable
Galileo’s interpretation of motion differed from Aristotles because Galileo focused mainly on what? Rate of time
Why is it that when you pull the table cloth off the table full of dishes and the dishes stay put? Inertia
A rocket ship gains speed in outer space but runs out of fuel, it... No longer gains speed
Tension is a force that... tends to stretch something, pulling on a rope
When Nellie Newton hangs by the ends of a rope draped over a large pulley, the tension in each supporting vertical strand is Half her weight
When Nellie Newton hangs at rest in the middle of a clothesline, tensions will be the same in each side of the rope when the angles for both sides of the rope are equal.
The equilibrium rule, ΣF=0, applies to Objects or systems at rest & objects or systems in uniform motion in a straight line
Inertia is dependent on what? Mass More mass = more inertia
Support force counteracts gravity when resting on a surface
What is science? A body of knowledge that describes order in nature. It is ongoing, condenses knowledge into testable laws.
Theory Synthesis of a large body of well tested knowledge
Vector Magnitude AND direction
Scalar Only magnitude
Aristotle was usually wrong and Galileo performed what? Experiments
Early Greeks knew what? The size of the earth, moon, and earth-moon distance
The net force on any object in equilibrium is zero
Created by: Brookelol
 

 



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