Physics Chapter 1

Front 1

Vectors

Back 1

Magnitude and direction

(Displacement, Velocity, Acceleration, Force, etc)

Front 2

Scalars

Back 2

Magnitude, no direction

Speed, coefficients, frictions

Front 3

Multiplying a vector and a scalar =?

Back 3

Still a vector, changes magnitude, may reverse direction

Front 4

Multiplying two vectors using dot product = ?

Back 4

Scalar quantity

Front 5

Dot Product

Back 5

Front 6

Dot Product. answer is scalar or vector

Back 6

Scalar

Front 7

Cross product, answer is vector or scalar?

Back 7

Vector

Front 8

Cross product

A X B = ?

Back 8

Vector

Magnitude: A *B sin (theta)

Direction: Right-hand rule

Front 9

DIsplacement

Back 9

Change in position, independent of path

Vector

Initial to final position in straight line

Front 10

Distance

Back 10

Scalar, Includes path taken

Front 11

Velocity

Back 11

Vector

Change in displacement / t

Front 12

Avg Speed not equal to Avg velocity

Back 12

True

Avg speed = distance/time

Avg velocity = displacement / time

Front 13

Instantaneous Velocity

Back 13

Front 14

Instantaneous Speed

Back 14

magnitude of instantaneous velocity

Front 15

Force

Back 15

Vector

N (kg*m/s)

Front 16

Gravity Equation

Back 16

Front 17

Friction

Back 17

Opposes movement of objects

Front 18

2 types of friction

Back 18

Static and Kinetic

Front 19

Static Friction formula

Back 19

Front 20

Kinetic Friction Formula

Back 20

Front 21

µs (+,<,>) µk?

Back 21

µs > µk

need more force to get an object to start sliding than to keep an object sliding

Front 22

Mass

Back 22

Scalar

The amount of matter in an object

Kg

Front 23

Weight

Back 23

Vector

Gravitational force

Front 24

Weight equation

Back 24

F = mg

m = mass of object

g = 9.8 m/s2 ~ 10 m/s2

Front 25

Average Acceleration

Back 25

Vector

Front 26

Newton's First Law/ Law of Inertia

Back 26

An object will remain at rest or move with a constant velocity if there is no net force on the object

Body at rest or in motion will stay that way unless outside force acts on it

Fnet = ma = 0

Front 27

Decceleration

Back 27

Acceleration in direction opposite of initial velocity

Front 28

Newton's second law

Back 28

Any acceleration is the result of the sum of the forces acting on the object and its mass

Fnet = ma

An object mass m will accelerate when vector sum of forces results in non zero force vector

Front 29

Newton's third law

Back 29

any two objects interacting with one another experience equal and opposite forces as a result of their interaction

(Every action has an equal and opposite reaction)

Front 30

Linear Motion Equations

Back 30

Front 31

Terminal Velocity

Back 31

when drag force = weight of the object the object will stop accelerating and have a constant velocity

Front 32

Inclined planes

Back 32

Front 33

Centripetal Force Diagram

Back 33

Front 34

Centripetal Force Equation

Back 34

Front 35

At what angle with projectile motion will an object have the greatest vertical displacement? horizontal?

Back 35

45 degrees

Front 36

Conditions for Translational Equilibrium

Back 36

Vector sum o all forces acting on the

object = 0

Object is stationary or has constant velocity

Front 37

Torque Equation

Back 37

r

T = r X F

r= length of lever arm

Front 38

Direction of torque, (+) and (-)

Back 38

Clockwise = (-)

Counterclockwise = (+)