Angular Rotation
Projectile Motion
Symbols
Vectors
Circular Motion
100

One revolution equals how many degrees?

360 degrees

100

What are the two components of projectile motion?

Horizontal and vertical

100

𝛑

pi = 3.14

100

What is "R"?

Resultant Vector

100

The path an object takes when travelling through space.

Trajectory

200

Angular velocity is measured in ?

radians per second

200

What type of trajectory does a ball follow with projectile motion?

Parabolic

200

θ

theta = angle of the resultant vector = launch angle

200

What is Angle θ known as?

Angle of the resultant vector or the launch angle

200

______________ is the force that acts on an object moving in a circular path, toward the center of the circle. 

Centripetal

300

This is a measure of how hard it is to change the speed at which an object spins around an axis.

Moment of Inertia (I)

300

The horizontal component of a ball's velocity with projectile motion is ___________. There is zero acceleration.

Constant

300

⍵

angular speed or velocity

300

When calculating "R" with vectors that form a right triangle (90 degrees), which formula is used?

Pythagorean Theorem: R2 = A2 + B2

300

____________ is the apparent force that seems to push an object moving in a circular path away from the center of the circle.

Centrifugal

400

__________ is an object spinning on its own internal axis, while _________ is an object moving in a circular path around an external object.

Rotation, revolution

400

What does the "Δ x" indicate in the equation below?:

Δ x = vox  x   t

Horizontal displacement of an object 

400

Ac

Centripetal Acceleration

400

When do we use this formula?:

 θ = tan- 1 (opposite / adjacent) 

OR 

 θ = tan - 1 (Vy / Vx)

 To calculate the angle of the resultant vector

400

What are the units of measurement for centripetal force?

Newtons

500

What formula is represented below?

Ii ⍵i = If ⍵f

Angular Momentum

500

In the equation below, what does "Δ y" represent?:

Δ y  =  Voyt  +  ½ ( ayt2 )


Vertical displacement of an object

500

Ii

Initial Moment of Inertia

500

What is this formula known as?:

R2 = A2 + B2 - 2AB cos Θ  

Law of Cosines

500

The linear speed and direction of an object moving along a circular path, pointing along a line tangent to the circle at any given instant. 


Tangential velocity