Symbols
What is the symbol for Rotational inertia
What is I
27. Determines the translational kinetic energy of an object.
KE = ½mv2
In one circle there are how many radians.
2 pi radians
The linear distance from one point to another on a circular path.
arc length
A body's resistance to a change in its rotary motion.
rotational inertia
What is the symbol for Angular acceleration
What is 𝛼
The law of torque
𝜏 = I 𝛼
What is Avogadro's number equal to.
6.022 x 1023
What the product Fr is called.
torque
What the change in the momentum of an object affected by a force is equal to:
impulse
What is the symbol for the Universal gas constant
What is R
Determines the angular acceleration of an object
𝛼 = Δ ω/t OR 𝛼 =(ωf - ωi)/t
What is the torque produced by a 210. N force applied perpendicularly to the end of a 3.00 m board pivoted at the other end.
630. N·m
What any solid object rotating about a fixed axis is called.
gyroscope
What state of equilibrium is the system in when, at every possible pivot point, the sum of clockwise torques equals the sum of counterclockwise torques
rotational
What is the symbol for Temperature
What is T
Determines the total kinetic energy of a moving body
KE = ½mv2 + ½ I ω2
The average angular velocity of a rotor that turns 626 rad in 9.56 s is how many rad/s. (round to one decimal)
65.5 rad/s
An angle whose vertex is placed at the center of a circle and subtends an arc length equal to one radius.
radian
What kind of motion is motion about an internal axis.
rotary
What is the symbol for Time
What is t
The work-energy theorem
W = ½mvf2 - ½mvi2
The time it would take for a ball that is rolling at 50 rad/s to rotate one time is how many seconds. (round to two decimals)
0.126 s
The amount of rotation accomplished by a rotating body is measured by:
angular displacement
What the energy an object acquires when it is exposed to a force is called.
potential