Exam 2 - 304
Linear Motion
Term: Linear Distance
Definition: Total path length traveled, measured in meters or kilometers.Term: Displacement
Definition: Straight-line distance from start to end, including direction.Term: Speed
Definition: Rate of covering distance (distance per unit time).Term: Pace
Definition: Time taken to cover a unit of distance (e.g., minutes per km).Term: Velocity
Definition: Rate of change of position, including direction.Term: Acceleration
Definition: Rate of change of velocity over time.
Angular Motion
Term: Angular Distance
Definition: Total angle rotated, measured in degrees or radians.Term: Angular Displacement
Definition: Smallest angle between start and end positions, with direction.Term: Angular Speed
Definition: Rate of rotation (angle per unit time).Term: Angular Velocity
Definition: Rate of change of angular displacement, with direction.Term: Angular Acceleration
Definition: Rate of change of angular velocity over time.
Relationships Between Linear and Angular Motion
Term: Relationships Between Linear and Angular Motion
Definition: Connection between rotation and straight-line motion (v=rωv=rω).
Kinematics of Projectile Motion
Term: Kinematics of Projectile Motion
Definition: Study of motion of objects launched into the air under gravity.Term: Factors That Influence Projectile Motion
Definition: Initial speed, launch angle, air resistance, and gravity.Term: Optimal Conditions for Projectiles
Definition: 45° launch angle for maximum range (no air resistance).Term: Horizontal and Vertical Components
Definition: Breakdown of motion into horizontal (constant) and vertical (accelerated) parts.
Trigonometry Basics
Term: Pythagorean Theorem
Definition: In a right triangle, a2+b2=c2a2+b2=c2.Term: SOHCAHTOA
Definition: Sine = opposite/hypotenuse, cosine = adjacent/hypotenuse, tangent = opposite/adjacent.
Vector Algebra Basics
Term: Vector Composition
Definition: Combining vectors to produce a resultant vector.Term: Vector Resolution
Definition: Breaking a vector into horizontal and vertical components.Term: Tip to Tail Method
Definition: Adding vectors by placing the tail of one at the tip of another.