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Other Lesson: Chapter 7-9 Definitions

Description:   Physics

Created by: Emperorian125
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11 7 Chapter Physics


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List Items 
Card # English English Image
1 Centripetal acceleration ac=vt2/r
2 Equation for Inelastic collision m1vii=(m1+m2)vf
3 First to promotoe heliocentric theory Aristarchus
4 Force x Time (F t) Impulse
5 Forces between bodies are proportional to 1/r2, R is the distance between Inverse Square Law
6 Half of the distance from Perihelion to aphelion Semi-Major Axis
7 Ideas were not terribly accurate but simpler (heliocentric) Copernicus
8 Inertia in motion Momentum Inertia
9 Keplerian 3rd Law Equation R3/T2=K
10 Kinematics Kepler correctly described planet's
11 L= mass x velocity x radius Angular momentum
12 Mass x Velocity Momentum
13 Mixture of geocentric and heliocentric theories; hired Kepler; accurate observations Tycho Brahe
14 Number of coordinate systems Three
15 Only conservative forces act Elastic collisions
16 Planets travel in elliptical orbits K. First Law
17 Rotational Equilibrium Zero Net Torque
18 Sensitive Instrument for measuring forces Torsion Balance
19 The ration of the cube of the semi major axis(R) and the square of the period (T)is the same Third Law
20 Torque= force x "r" x sinTheta Torque Equation
21 Up (positive) Counterclockwise direction
22 Vector Tangenital Speed Quantity Type
23 Vt Tangenital Speed Symbol
24 an object circles a point in space Revolution
25 an object is spinning about an axis which passes through itself Rotation
26 angular speed Magnitude of angular velocity
27 distance between the rotational axis and the line of action lever arm
28 every mass attracts every other mass Newton Universal Law of Gravitation
29 kg m/s Momentum unit
30 kinetic energy not conserved--masses stick. final velocity is the same Inelastic Collision
31 number of radians in complete circle 2 Pie Radians
32 omega=deltaTheta/deltaTime angular speed equation
33 opposite direction from radius Centripetal Acceleration
34 parallel to tthe displacement vector Average velocity
35 points toward center of circle Centripetal acceleration
36 produces acceleration Unbalanced torque
37 r and Theta polar coordinate symbols
38 radians per second Angular speed unit in radians
39 scalar Angular Speed type of quantity
40 takes place when there is a change in tangenital speed Non Uniform Circular Motion
41 tangent to the circle Instantaneous velocity
42 the Angle is changing Reason for Uniform Angular Velocity
43 the arc of the circle Distance
44 the chord of the circle displacement
45 the position vector of a planet travels through equal ares in equal times Second Law
46 the product of the magnitude of force and the length of the lever arm Torque
47 the time required to complete one cycle. Period
48 the time-rate change of angular poistion in a specified direction Angular velocity
49 the total moment of a the system is conserved, barring outside forces Conservation of Momentum
50 torque in both clock directions will equal each other if there is no change in rotational motion Law of moments
51 unit of angular measurement Radian

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