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component

A part or element of a larger whole.

Vector Resolution

the process of breaking a vector into its components

Kinetic Friction

Friction between moving surfaces

static friction

A car drives with its tires rolling freely. Is the friction between the tires and the road kinetic or static?

Coefficient of kinetic friction

the kinetic friction force equals the product of the coefficient of kinetic fraction and the normal force.

Coefficient of static friction

the maximum static friction force that must be overcome before motion can begin

Equilibrant

A force that causes an object to be in equilibrium

components

parts of a vector, one is parallel to the x-axis and the other one is parallel to the y-axis

Resultant

A vector sum (includes a magnitude and a direction)

friction

a contact force; type of force between two touching surfaces

equilibrium

1)starting point of SHM, object is in _______, fnet equals zero

vector components

the lengths of a vector along specified directions

relative motion

Movement in relation to a frame of reference

projectile

An object in the air that is only subject to the force of gravity and wind resistance after it leaves the ground.

range

distance a projectile travels horizontally along the ground

Pythagorean theorem

How to find the lengths of a right triangles sides

When do you use the Law of cosine's

When you are given to the actors and the angle between the two vectors

When is it best to use the law of sines?

When you are given to angle measurements and only one Vector magnitude

Law of Sines

R/sin theta= a/ sin a= b/sinb

Law of cosine's

r2= A^2 +B^2-2Abcostheta

A=ax+ay

What is the equation that relates a vector to its components

Counterclockwise from the positive Y axis

Where do we always measure the angle from

Ax=Acostheta

Equation to find the X component of a vector

Ay=Asintheta

Equation to find the Y component of a vector

Victor components in the first quadrant

Ax is positive Ay is positive

Vector components in the second quadrant

A X is negative a Y is positive

Victor components in the third quadrant

AX is negative a Y is negative

Vector compliments in the fourth quadrant

A X is positive a Y is negative

Theta= tan^-1 (ay/ax)

How to find the vectors direction

Ff kinetic=mkfn

Equation for Kinetic friction

The coefficient of static friction

The maximum static friction force

Parallel to the inclined plane

Where should you place the coordinate system

2Ftsintheta=mg

The equation for the force of a person on a rope

Mk=

A/g

trajectory

Path of a projectile

Projectile Motion

2D Motion in which the object moves at a constant velocity in one direction and accelerates in another

because the vertical and horizontal do not affect one another

why is it we can break our motion into components (x=horizontal y=vertical)

parabola

A U-shaped curve characteristic of the graphs of quadratic equations

Constant

If an object is acted on by a non-zero net external force, its momentum will not remain _______

horizontal force

what does NOT act on the projectile

constant velocity

An object that has the same average velocity for all time intervals is moving at _______

change in direction

objects are acceleration because of...

Uniform Circular motion

A particle moves in a circle with a constant speed

centripetal acceleration

a = centripetal acceleration

Period (T)

the time for an object to complete one revolution

circumference

2pi x r

Centripetal Force

A force directed towards the center of a circle that causes an object to follow a circular path

Velocity

a speed in a particular direction.

center

acceleration and force

no initial vertical velocity

horizontal does not have what?

free fall

a state in which an object is gravitationally drawn to the earth's surface and is unaffected by any forces besides weight

Gravitational Force

(physics) the force of attraction between all masses in the universe

Law of Universal Gravitation

a force of gravity that's acts on all objects in the universe