Angular Rotation
One revolution equals how many degrees?
360 degrees
What are the two components of projectile motion?
Horizontal and vertical
𝛑
pi = 3.14
What is "R"?
Resultant Vector
The path an object takes when travelling through space.
Trajectory
Angular velocity is measured in ?
radians per second
What type of trajectory does a ball follow with projectile motion?
Parabolic
θ
theta = angle of the resultant vector = launch angle
What is Angle θ known as?
Angle of the resultant vector or the launch angle
______________ is the force that acts on an object moving in a circular path, toward the center of the circle.
Centripetal
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)
The horizontal component of a ball's velocity with projectile motion is ___________. There is zero acceleration.
Constant
⍵
angular speed or velocity
When calculating "R" with vectors that form a right triangle (90 degrees), which formula is used?
Pythagorean Theorem: R2 = A2 + B2
____________ is the apparent force that seems to push an object moving in a circular path away from the center of the circle.
Centrifugal
__________ is an object spinning on its own internal axis, while _________ is an object moving in a circular path around an external object.
Rotation, revolution
What does the "Δ x" indicate in the equation below?:
Δ x = vox x t
Horizontal displacement of an object
Ac
Centripetal Acceleration
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
What are the units of measurement for centripetal force?
Newtons
What formula is represented below?
Ii ⍵i = If ⍵f
Angular Momentum
In the equation below, what does "Δ y" represent?:
Δ y = Voyt + ½ ( ayt2 )
Vertical displacement of an object
Ii
Initial Moment of Inertia
What is this formula known as?:
R2 = A2 + B2 - 2AB cos Θ
Law of Cosines
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