# Shared Flashcard Set

## Details

Review for Final
Mrs.Kovak
18
Physics
12/13/2011

Term
 Physics used to be called?
Definition
 Natural Phylosophy
Term
 What are the two branches of science?
Definition
 Living, and non-living
Term
 If a law is found to be incorrect or abandonded..
Definition
 It can be motified.
Term
 In order for a hypothesis to be scientific it must be _____?
Definition
 Testable
Term
 The speedometer of a car acually reads _______?
Definition
 Instantaneous Speed
Term
 The acceleration of a ball at the top of it's path it ______?
Definition
 9.81m/sec
Term
 When you are in a car going around a curve, your ______ is changing.
Definition
 Velocity
Term
 The rate at which distance is covered is ______.
Definition
 Speed
Term
 Give examples of a scalar quantity.
Definition
 Mass Volume Disatnce Time Currency Temperature
Term
 The horizontal component of a projectile's motion is independent of it's ______ component
Definition
 Vertical
Term
 When a vector is drawn to represent velocity, what 3 criteria must the vector follow?
Definition
Term
 If one ball is dropped from 10ft high and another is shot horizontally from 10ft high, and you neglect air resistance, which one will het the ground first?
Definition
 Will both hit instantaniously.
Term
 Newtons's 1st Law of Motion, also known as the Law of Inertia states:
Definition
 An object at rest or in motion remains so unless acted upon by an outside force.
Term
 Aristotle:
Definition
 Rest is the natural state of all objects.
Term
 Copernicus:
Definition
 1st to propose earth revolves around the sun.
Term
 Galileo:
Definition
 Came up with the idea of friction.
Term
 Newton's 2nd Law of Motion states:
Definition
 Acceleration is directly proportional to force.
Term
 If a tennis ball and a steel ball were dropped at the same time, which one would hit tje ground first in the presence of air resistance?
Definition
 Steel Ball.
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