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AP Physics 1 - Dynamics

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Section 1

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Net Force

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6 years ago

Date created

Mar 14, 2020

Cards (19)

Section 1

(19 cards)

Net Force

Front

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

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

Force

Front

A push or a pull

Back

Normal Force

Front

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

Back

System of objects

Front

Any group of objects that move as one unit.

Back

Free-Body Diagram

Front

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

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

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.

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.

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

Weight

Front

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

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

Force of Friction

Front

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

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

Resultant

Front

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

Back

Kinetic Friction

Front

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

Back

Mass

Front

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

Back

Equilibrium

Front

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

Back