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Study sets matching "physics rotational motion"

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Study sets matching "physics rotational motion"

12 terms
Physics Rotational Motion
3.49 rad/s
3.50 m/s
the first force (at the midpoint)
63°
Express the angular speed of an old 33 1/3 rpm LP in rad/s.
A child is riding a merry-go-round that is turning at 7.18 rp…
Two forces produce equal torques on a door about the door hin…
Through how many degrees does a 33 rpm turntable rotate in
3.49 rad/s
Express the angular speed of an old 33 1/3 rpm LP in rad/s.
3.50 m/s
A child is riding a merry-go-round that is turning at 7.18 rp…
26 terms
Physics- Circular & Rotational Motion
Axis
Rotation
Revolution
Linear Speed
The straight which rotation takes place.
When an object turns around an internal axis.
When an object turns around an external axis
The speed of an object along a linear path.
Axis
The straight which rotation takes place.
Rotation
When an object turns around an internal axis.
42 terms
Physics: Rotational Motion
The resistance an object has to change…
Inertia can be thought of as a measure…
Newton's first law does not apply to r…
According to the law of inertia, rotat…
rotational inertia
"laziness"
FALSE
TRUE
The resistance an object has to change…
rotational inertia
Inertia can be thought of as a measure…
"laziness"
19 terms
Physics: Rotational Motion and Circular Motion tn
Centripetal acceleration
period
frequency
Force diagram for circular motion
ac= v²/r
seconds
s⁻¹
Centripetal acceleration
ac= v²/r
period
seconds
19 terms
Physics - Rotational Motion
Translational Motion
Rotational Motion
Center of Mass
Angular Displacement
movement in which an object moves from one point to another
the rotation of a body around its center of mass
the point about which all of the matter of an object is evenl…
the angle over which the rotation occurs; distance covered
Translational Motion
movement in which an object moves from one point to another
Rotational Motion
the rotation of a body around its center of mass
22 terms
Physics: Rotational Motion
Angular Displacement
Angular Acceleration
Rotational Motion
Radian
angle through which a point, line, or body is rotated in a sp…
Time rate of change in angular speed , expressed in rad/s squ…
Motion of a body that spins about an axis
An angle whose arc length = radius, which is approx. = 57.3 d…
Angular Displacement
angle through which a point, line, or body is rotated in a sp…
Angular Acceleration
Time rate of change in angular speed , expressed in rad/s squ…
22 terms
Physics Rotational Motion
360 degrees= ___ rads
1 rad=___ degrees
angular velocity
angular acceleration
2 pi
57.3 degrees
omega ... change in angle over change in time.
alpha... change in angular velocity over change in time
360 degrees= ___ rads
2 pi
1 rad=___ degrees
57.3 degrees
10 terms
Rotational Motion Honors Physics
centripetal force
centrifugal force
tangential speed
Newton's Law of Universal Gravitation
force pushing to center
fictional force
linear velocity
All masses attract other masses
centripetal force
force pushing to center
centrifugal force
fictional force
15 terms
Physics Circular/Rotational Motion
Linear speed
Centripetal force
Torque
Centripetal acceleration
is measured in units per unit time. v=rω
the inwards force of a spinning circular motion
a twisting force that causes rotation
the inwards force of a spinning circular motion. ac=v^2/r
Linear speed
is measured in units per unit time. v=rω
Centripetal force
the inwards force of a spinning circular motion
42 terms
Physics: Rotational Motion
The resistance an object has to change…
Inertia can be thought of as a measure…
Newton's first law does not apply to r…
According to the law of inertia, rotat…
rotational inertia
"laziness"
FALSE
TRUE
The resistance an object has to change…
rotational inertia
Inertia can be thought of as a measure…
"laziness"
32 terms
Physics Subject Test: Circular & Rotational Motion
When is an object moving in *uniform c…
Is speed constant in uniform circula…
Is velocity constant in uniform circ…
Is an object in uniform circular motio…
When it's moving in a circle at *constant speed*.
Yes.
No.... The speed is constant but the direction is always changing.
Yes.... Because the velocity is changing (the speed is constant,…
When is an object moving in *uniform c…
When it's moving in a circle at *constant speed*.
Is speed constant in uniform circula…
Yes.
11 terms
Physics Rotational Motion Vocab
Tangential speed
Rotational Speed
Rotational Inertia
Torque
linear tangent to a curved path such as in circular motion
number of rotation or revolution per unit of time, often meas…
Property of an object that measure its resistance to at chang…
Produce of force and lever arm distance which tens to produce…
Tangential speed
linear tangent to a curved path such as in circular motion
Rotational Speed
number of rotation or revolution per unit of time, often meas…
15 terms
Physics: Rotational Motion
What is the difference between radians…
Why are radians preferred in rotationa…
Why are degrees preferred in torque?
How is moment of inertia similar to an…
The degree was invented by Babylonians. Their calendar had 36…
Radians can be converted to distance around circle by multipl…
Torque is to dtermine the force tangent to the rotation. The…
Similar: moment of Inertia represents mass in rotational moti…
What is the difference between radians…
The degree was invented by Babylonians. Their calendar had 36…
Why are radians preferred in rotationa…
Radians can be converted to distance around circle by multipl…
9 terms
Physics: rotational motion
Displacement
Angular Displacement
Linear Velocity
Angular Velocity
Symbol: X... Units: m
Symbol: ø... Units: rad
Symbol: v... Units: m/s
Symbol: w... Units: rad/s
Displacement
Symbol: X... Units: m
Angular Displacement
Symbol: ø... Units: rad
22 terms
Physics Rotational Motion
Rotational velocity
rotational acceleration
Distance travelled in a circle
final rotational velocity
w(avg)=∆θ/t
α=(w(f)-w₀)/t
∆θ=w₀t+2αt²
w(f)²=w₀² + 2α∆θ
Rotational velocity
w(avg)=∆θ/t
rotational acceleration
α=(w(f)-w₀)/t
10 terms
Physics rotational motion and gravity
tangential speed
rotational speed
rotational intertia
torque
the linear speed tangent to a curved path, such as in circula…
the number of rotations or revolutions per unit of time
that property of an object that measures its resistance to an…
the product of force and lever-arm distance which tends to pr…
tangential speed
the linear speed tangent to a curved path, such as in circula…
rotational speed
the number of rotations or revolutions per unit of time
13 terms
Physics: Rotational Motion
The tendency of a force to cause rotat…
What produces the greatest torque?
To kick a football so that it doesn't…
Why does the Leaning Tower of Pisa not…
Torque
Large force, long lever arm
In line with its center of mass.
It does not topple because it center of gravity is above (wit…
The tendency of a force to cause rotat…
Torque
What produces the greatest torque?
Large force, long lever arm
17 terms
Physics Rotational motion vocab
Angular displacement
Angular position
Angular speed
Angular velocity
The angle that a rotating body goes through
The orientation of a body or figure with respect to a specifi…
The rate of change in angular displacement, the rate at which…
The rate of change in angular displacement of a rotating body
Angular displacement
The angle that a rotating body goes through
Angular position
The orientation of a body or figure with respect to a specifi…
11 terms
Physics Principles for Rotational Motion
Angular Position
"Find angular displacement ...."
"Find angular velocity..."
Units of angular displacement?
Denoted theta (θ)
Δθ = θfinal - θinitial... "Delta theta equals theta final minus…
ω = Δθ / Δt.... "Omega equals delta theta over delta t."
rad/s... Radians over seconds.
Angular Position
Denoted theta (θ)
"Find angular displacement ...."
Δθ = θfinal - θinitial... "Delta theta equals theta final minus…
9 terms
Physics Chapt 8 - Rotational Motion
Angular acceleration
Angular displacement
Angular velocity
Center of mass
the change in angular velocity divided by the time needed to…
the change in the angle as an object rotates. We will express…
the angular displacement of an object divided by the time nee…
the point on the object that moves in the same way that a poi…
Angular acceleration
the change in angular velocity divided by the time needed to…
Angular displacement
the change in the angle as an object rotates. We will express…
17 terms
Physics Rotational Motion
θ=l/r
ω=Δθ/t
α=Δω/t
ω=ωi+αt
angular distance
angular velocity
angular acceleration
formula 1
θ=l/r
angular distance
ω=Δθ/t
angular velocity
17 terms
Physics Rotational Motion
translational motion
rotational motion
rotation is measured by circumference,…
angular displacement
linear motion
motion involving a rotation or revolution around a fixed chos…
rad
circular motion about an AXIS
translational motion
linear motion
rotational motion
motion involving a rotation or revolution around a fixed chos…
34 terms
Physics Rotational Motion
Tangential speed
Rotational Speed
Rotational inertia
Torque
The linear speed tangent to a curved path, such as in circula…
The number of rotations or revolutions per unit of time; ofte…
The property of an object to resist any change in its state o…
The product of force an lever-arm distance, which tends to pr…
Tangential speed
The linear speed tangent to a curved path, such as in circula…
Rotational Speed
The number of rotations or revolutions per unit of time; ofte…
15 terms
Physics Circular and Rotational Motion
Linear Speed
Centripetal Force
Torque
Centripetal Acceleration
The speed of a certain point of a circle
Any force that causes an object to move in a circle
A twisting force that causes rotation
Rate in change of tangential velocity
Linear Speed
The speed of a certain point of a circle
Centripetal Force
Any force that causes an object to move in a circle
13 terms
Physics -Rotational Motion
Rotational Postion (Angular Position)
Radian
Rad
Rotational (Angular) Velocity
The angle in the counterclockwise direction between the refer…
The unit for rotational position that is most useful in physics
Usually a reminder that we are using radians for angles
The rate of change of each point's rotational position.
Rotational Postion (Angular Position)
The angle in the counterclockwise direction between the refer…
Radian
The unit for rotational position that is most useful in physics
12 terms
Physics Rotational motion
radian
angular velocity
angular frequency
angular acceleration
0=s/r... 0=the angle in radians... s=arc length... r=the radius
...
...
...
radian
0=s/r... 0=the angle in radians... s=arc length... r=the radius
angular velocity
...
8 terms
Physics 2 - Rotational Motion
Periodic Motion
Period
Frequency
Torque
Motion that repeats itself in the same way at equal time inte…
Time required for a complete repetition of the motion
The number of repetitions in a second
A physical quantity which describes the ability a force has t…
Periodic Motion
Motion that repeats itself in the same way at equal time inte…
Period
Time required for a complete repetition of the motion
7 terms
PHYSICS Rotational Motion Equations
Torque
I (Moment of inertia/Rotational inertia)
α (Angular acceleration)
θ (Angular position)
t=Frsinθ (Nm)
I=∑mr² (kg m²)
α=torque/(mr²) ; a=α*r ; α=∆ω / ∆t ; (rad/s²)
θ=s/r (arc length/radius) ; radians
Torque
t=Frsinθ (Nm)
I (Moment of inertia/Rotational inertia)
I=∑mr² (kg m²)
19 terms
Physics: Rotational Motion review
Rotational motion
Axis of rotation
Tangential speed
Accelerating
Rotation of a body that spins around an axis
The imaginary point or line which objects rotate
The instantaneous speed of an object and the direction that i…
A car is traveling in a circle with a constant speed of 30 km…
Rotational motion
Rotation of a body that spins around an axis
Axis of rotation
The imaginary point or line which objects rotate
11 terms
Physics - Rotational Motion
Rigid Body
Translational motion
Rotational motion
Moment of Inertia
System of particles in which the inter particle distances are…
No rotation.
Particles travel in cuticles about the axis of rotation.
Resistance of an object to a change in rotational motion.
Rigid Body
System of particles in which the inter particle distances are…
Translational motion
No rotation.
24 terms
Physics Rotational Motion Test
Tangential speed
Rotational speed
Rotational inertia
Torque
the linear speed tangent to a curved path, such as in circula…
the number of rotations or revolutions per unit of time; ofte…
the property of an object that measures it resistance to any…
the product of force and lever arm distance, which tends to p…
Tangential speed
the linear speed tangent to a curved path, such as in circula…
Rotational speed
the number of rotations or revolutions per unit of time; ofte…
8 terms
Physics Rotational Motion Equations
Inertia of a thin hoop
Inertia of a hoop with a radius and a…
Inertia of a Solid Cylinder
Inertia of a Hollow Cylinder
I=MR²
I=(1/2)MR²+(1/12)Mw²
I=(1/2)MR²
I=1/2M(Rsmall²+Rbig²)
Inertia of a thin hoop
I=MR²
Inertia of a hoop with a radius and a…
I=(1/2)MR²+(1/12)Mw²
21 terms
Advanced Physics: rotational Motion
Axis
Revolution
Rotation
Radian
Straight line around which an object rotates
An object turns around an axis outside the object
Object turns around an internal axis (spins)
Standard unit of angular displacement
Axis
Straight line around which an object rotates
Revolution
An object turns around an axis outside the object
8 terms
Physics - Rotational Motion
Rotational Inertia
Torque
Center of Mass
Center of gravity
An object resists changes in its rotational state of motion.…
Rotational counterpart of the force. Torque twists or changes…
Average position of all the mass that makes up the object
The average position of weight disribution
Rotational Inertia
An object resists changes in its rotational state of motion.…
Torque
Rotational counterpart of the force. Torque twists or changes…
11 terms
Physics: Rotational Motion
angular displacement (Δθ)
arc length (Δs)
radius (r)
angular velocity (Ѡ)
rad
m
m
rad/ s
angular displacement (Δθ)
rad
arc length (Δs)
m
27 terms
Physics Quiz Rotational Motion
What type of unit is a radian?
When aren't the center of mass and cen…
Applying forces at COG causes...
Applying forces away from COG causes...
It isn't a unit; it's a ratio
In non-uniform gravitational areas, ie space/black holes
translational motion
rotational and possibly translational motion; torque
What type of unit is a radian?
It isn't a unit; it's a ratio
When aren't the center of mass and cen…
In non-uniform gravitational areas, ie space/black holes
32 terms
AP Physics: 06: Rotational Motion
Translation
Rotation
Rigid Body
ω = ∆θ / ∆t
if an imaginary line on an object stays parallel to its origi…
if an imaginary line on an object does NOT stay parallel to i…
for a rotating object, if all the points along a radial line…
write the equation for average angular velocity... ω = average a…
Translation
if an imaginary line on an object stays parallel to its origi…
Rotation
if an imaginary line on an object does NOT stay parallel to i…
30 terms
Conceptual Physics: Rotational Motion
Tangential speed
Rotational speed (sometimes called ang…
Rotational inertia (often called momen…
Torque
The linear speed tangent to a curved path, such as in circula…
The number of rotations or revolutions per unit of time; ofte…
The property of an object that measures its resistance to any…
The product of force and lever-arm distance, which tends to p…
Tangential speed
The linear speed tangent to a curved path, such as in circula…
Rotational speed (sometimes called ang…
The number of rotations or revolutions per unit of time; ofte…
13 terms
Physics Rotational Motion equations
angular displacement (rotational dista…
angular speed
angular (rotational) acceleration
TRANSLATIONAL acceleration
s=rϴ (or x=rϴ)
w=∆ϴ/∆t
α=∆w/∆t
α=∆v/∆t
angular displacement (rotational dista…
s=rϴ (or x=rϴ)
angular speed
w=∆ϴ/∆t
11 terms
Physics Vocab - Rotational Motion
Rotational Inertia
Distribution of Mass
Linear Momentum
Angular Momentum
The resistance of an object to changes in its rotational moti…
The spatial concentration of mass within a solid body. The gr…
The product of the mass and the velocity of an object.
The product of the rotational inertia and rotational velocity…
Rotational Inertia
The resistance of an object to changes in its rotational moti…
Distribution of Mass
The spatial concentration of mass within a solid body. The gr…
42 terms
Physics: Rotational Motion
The resistance an object has to change…
Inertia can be thought of as a measure…
Newton's first law does not apply to r…
According to the law of inertia, rotat…
rotational inertia
"laziness"
FALSE
TRUE
The resistance an object has to change…
rotational inertia
Inertia can be thought of as a measure…
"laziness"
14 terms
Physics 7 Rotational Motion
Kinematics
rotational
translational
Radians?
no forces ; only displacement velocity, acceleration, and time
motion around the center of the mass
motion of the center of the mass
1 revolution=360 degrees=2pie radians
Kinematics
no forces ; only displacement velocity, acceleration, and time
rotational
motion around the center of the mass
44 terms
AP Physics: 06: Rotational Motion
Translation
Rotation
Rigid Body
ω = ∆θ / ∆t
if an imaginary line on an object stays parallel to its origi…
if an imaginary line on an object does NOT stay parallel to i…
for a rotating object, if all the points along a radial line…
write the equation for average angular velocity... ω = average a…
Translation
if an imaginary line on an object stays parallel to its origi…
Rotation
if an imaginary line on an object does NOT stay parallel to i…
Physics Circular and Rotational Motion
linear speed
centripetal force
torque
centripetal acceleration
The linear speed of a point on a rotating object depends on i…
a force that acts on a body moving in a circular path and is…
This is the tendency of a force to rotate an object around an…
In uniform circular motion, the direction of the velocity cha…
linear speed
The linear speed of a point on a rotating object depends on i…
centripetal force
a force that acts on a body moving in a circular path and is…
24 terms
Physics Rotational Motion Test
Tangential speed
Rotational Speed
Rotational inertia
Torque
the linear speed tangent to a curved path, such as in circula…
the number of rotations or revolutions per unit of time, ofte…
the property that an object that measures its resistance to a…
the product of force and lever arm distance which tends to pr…
Tangential speed
the linear speed tangent to a curved path, such as in circula…
Rotational Speed
the number of rotations or revolutions per unit of time, ofte…
17 terms
Physics Rotational Motion
force
acceleration
velocity
formula for velocity
- center seeking... - directed towards the center of the circle…
- center seeking... - caused by centripetal force... - magnitude ma…
- tangent to the circular path... - direction in which object is…
distance/time
force
- center seeking... - directed towards the center of the circle…
acceleration
- center seeking... - caused by centripetal force... - magnitude ma…
33 terms
Physics Ch.7 Rotational Motion and the Law of gravity
rotational motion
radian
angular displacement
angular speed
motion of a body that spins about an axis.
an angle whose arc length is equal to its radius, which is ap…
The change in the angle as an object rotates.
the rate at which a body rotates about an axis, usually expre…
rotational motion
motion of a body that spins about an axis.
radian
an angle whose arc length is equal to its radius, which is ap…
18 terms
Physics Rotational Motion Packet
T or F... Newton's 1st law does not apply…
T or F... According to the law of inertia…
A ___ is required to change the rotati…
Rotational Intertia
false
true
torque
depends on the mass of an object, and the distribution of mas…
T or F... Newton's 1st law does not apply…
false
T or F... According to the law of inertia…
true
15 terms
Physical Rotational motion
Rotate
Revolve
Linear velocity
Tangential velocity
Spin about the center
Spin about an external center
How fast in a line
Positional velocity
Rotate
Spin about the center
Revolve
Spin about an external center
10 terms
physics rotational motion
what is the formula for arc length?
is counter-clockwise positive or negat…
what is the formula for angular veloci…
what is the formula for angular accele…
s = radius times feta
positive
change in the angle divided by change in time
change in angular velocity divided by change in time
what is the formula for arc length?
s = radius times feta
is counter-clockwise positive or negat…
positive
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