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AP Physics

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Section 1

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Velocity-time graph

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Date created

Mar 1, 2020

Cards (41)

Section 1

(41 cards)

Velocity-time graph

Front

the slope is the object's acceleration and the speed is read from the vertical axis

Back

Y-axis

Front

analyze vertical motion

Back

Coefficient of friction

Front

a number that tells how sticky two surfaces are (low # = glide , high # = sticky)

Back

Kinetic Friction

Front

the friction force when something moves along the surface and often acts opposite the direction of motion

Back

Newton's Third Law

Front

For every action there is an equal and opposite reaction

Back

Acceleration (a)

Front

how much an object's speed changes in one second

Back

Δx displacement

Front

the area under the velocity graph during the time interval of Δy

Back

Magnitude

Front

size or length of a vector

Back

X-axis

Front

analyze horizontal motion

Back

Force

Front

a push or pull applied by an object and experienced by another object

Back

Scalar

Front

a quantity with magnitude and size but NOT a direction associated with it ex. speed

Back

Normal force

Front

the force a surface exerts on an object

Back

Instantaneous velocity

Front

object's velocity at a specific instant of time (t)

Back

Position (x)

Front

where an object is located

Back

Net Force

Front

the single force that could replace all the individual forces acting on an object and produce the same effect

Back

Newton's First Law

Front

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an outside force

Back

Position-time graph

Front

the slope is the object's speed and the position is read from the vertical axis

Back

Projectile motion

Front

how long an object is in the air and how fast it travels

Back

Speed (v)

Front

how fast an object is moving

Back

Newton's Second Law

Front

Fnet = m • av

Back

Spring force

Front

push or pull , direction depends on the problem

Back

Gravity

Front

always down and on

Back

Free Fall

Front

no forces other than the object's weight force are acting on the object

Back

Motion

Front

the change of an object's position or orientation with time

Back

GFE toolbox

Front

G -Given F -Find E -Equation

Back

Drag force

Front

Force of fluid (air, water, etc.) on a moving object (opposition of motion)

Back

Vector

Front

fancy word for arrow ex. velocity

Back

Range

Front

horizontal distance traveled

Back

Displacement (Δx)

Front

how far the object ends up from the starting point

Back

Weight

Front

the force of gravity on an object

Back

Uniform motion

Front

constant velocity

Back

Static Friction

Front

the friction force between two surfaces that aren't moving relative to each other

Back

Particle model

Front

a simplification in which we treat a moving object as if all of its mass were concentrated at a single point

Back

Apparent weight

Front

magnitude of the contact force supporting an object w=mg

Back

Constant velocity motion

Front

straight line on position vs. time graph

Back

Projectile

Front

an object in free fall, but it isn't falling in a straight vertical line

Back

Five principle motion variables

Front

Δx (displacement) v0 (initial velocity) vf (final velocity) a (acceleration) t (time)

Back

Friction Force

Front

the force of an object

Back

Thrust force

Front

opposite direction of which gas is expelled (jet or rocket)

Back

Pulleys

Front

massless and frictionless (tension in string is equal on both sides of pulley)

Back

Trajectory

Front

the path along which an object moves

Back