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AP Physics 1 - Dynamics

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Section 1

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Mass

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Date created

Mar 1, 2020

Cards (21)

Section 1

(21 cards)

Mass

Front

Measure of an object's inertia. Measured in kilograms (kg). Total amount of matter (atoms, particles, etc.) that are present.

Back

Coefficient of Friction

Front

A ratio that describes the relative stickiness between two surfaces in direct contact. Maximum static is ALWAYS larger than kinetic.

Back

Net Force

Front

The resultant of all forces acting on an object. Causes the object to changes its state of motion.

Back

Newton's Third law

Front

For every force there is an equal and opposite force. The forces are exactly equal in magnitude and directly opposite in direction. The forces occur simultaneously on SEPARATE objects.

Back

Free-Body Diagram

Front

A sketch of the forces being applied to a given object. Used to analyze all situations.

Back

Static Friction

Front

The resistive force that keeps an object at rest when a force is applied to it. ALWAYS equal to the applied force.

Back

Force

Front

A push or a pull

Back

Force of Friction

Front

A resistive force that acts on an object opposite the direction of motion.

Back

Equilibrium

Front

A state that occurs when the net force on an object or system is zero.

Back

Pulley

Front

A simple machine that consists of a grooved wheel with a rope or cable wrapped around it. Changes the direction of the applied force. Analyze systems of masses and pulleys as entire systems and/or as individual objects.

Back

Resultant

Front

The sum (or combination) of all vectors. Determined using the Head-to-Tail Method.

Back

Normal Force

Front

The supportive force from a surface of contact. It is ALWAYS EXACTLY perpendicular to the surface.

Back

Inertia

Front

An object's resistance to changes in its state of motion. Comes from the matter/mass the object is made of.

Back

Tension

Front

Pulling force that is exerted by a stretched, taut rope, cable, or string. Must be determined through use of a FBD.

Back

Weight

Front

The force of gravity pulling on a given mass. Fw = m∙g

Back

Kinetic Friction

Front

The resistive force that opposes the motion of a moving object.

Back

Dynamic Equilibrium

Front

A state that occurs when an object is moving in a straight line with constant speed.

Back

Static Equilibrium

Front

A state that occurs when an object or system is at rest.

Back

Inclined Plane

Front

A slanted surface along which a force moves an object to a different elevation. Also called a ramp. Shift the X- and Y-planes to work with objects on inclined planes.

Back

Newton's First Law

Front

An object will maintain constant linear velocity until acted on by an outside net force.

Back

Newton's Second Law

Front

A net force applied to an object will cause the object to accelerate. Acceleration is directly related to the magnitude of the net force. Acceleration is in the same direction as the net force. Acceleration is inversely related to the mass of the object.

Back