Study sets matching "gravity circular motion"

Study sets
Classes
Users

Study sets matching "gravity circular motion"

12 terms
Circular Motion and Gravity
Centripetal
Centripetal force
Centrifugal
Angular speed
Directed toward the center.
A force that causes an object to move in a circle
Moving away from the center
Angular speed = angle/time = "theta"/t
Centripetal
Directed toward the center.
Centripetal force
A force that causes an object to move in a circle
24 terms
Circular Motion and Gravity
Fc
ac
v
r
variable for centripetal force
variable for centripetal accleration
variable for speed
variable for radius
Fc
variable for centripetal force
ac
variable for centripetal accleration
32 terms
Circular Motion and Gravity
Rotation
Revolution
Axis
Period
Turning around an internal axis
Turning around an external axis
An imaginary line around through which turning takes place
The time to go around once; usually measured seconds
Rotation
Turning around an internal axis
Revolution
Turning around an external axis
20 terms
Gravity & Circular Motion
What causes gravity?
Bigger mass = greater or lesser attrac…
How does the separation of the objects…
Why do astronauts feel weightless?
Masses are attracted to each other
greater
Distance matters. Gravitational force increases as mass incre…
because they're constantly in free fall but their horizontal…
What causes gravity?
Masses are attracted to each other
Bigger mass = greater or lesser attrac…
greater
Physics: Circular Motion and Gravity
Rotation
Revolution
Axis
Period
Turning around an internal axis
Turning around an external axis
An imaginary line around through which turning takes place
The time to go around once; usually measured seconds
Rotation
Turning around an internal axis
Revolution
Turning around an external axis
Circular Motion and Gravity
Frequency
Linear Velocity
Angular Velocity
Centripetal Acceleration
f = 1/T
v = (2𝜋r)/T = rw
w = ∆𝜃/∆t = (2𝜋)/T = 2𝜋f
a = v^2/r = rw^2
Frequency
f = 1/T
Linear Velocity
v = (2𝜋r)/T = rw
7 terms
Circular motion and Gravity
circular motion
Angular displacement*
Angular speed (w)
Time period (T)
when an object moves around in a circle at a constant speed
the angle moved around a circle by an object from where its c…
the angular displacement moved per time taken
the time taken for one complete oscillation (cycle)
circular motion
when an object moves around in a circle at a constant speed
Angular displacement*
the angle moved around a circle by an object from where its c…
33 terms
Circular Motion and Gravity Terms
tangential
tangential velocity
uniform circular motion
number of revolutions per second
along line touching a curve, but not crossing it
an objects velocity on the tangent like, shows instantaneous…
circular motion with a constant tangential speed, NOT acceler…
frequency
tangential
along line touching a curve, but not crossing it
tangential velocity
an objects velocity on the tangent like, shows instantaneous…
Gravity and circular motion review
Centripical force
A ball is being whirled in a horizonta…
An object traveling in a circular path…
There is a direct relationship between
The force is directed towards the center of a circular path i…
It will keep traveling in a straight line
Be accelerating
Centripetal force and mass
Centripical force
The force is directed towards the center of a circular path i…
A ball is being whirled in a horizonta…
It will keep traveling in a straight line
Circular Motion and Gravity
Uniform Central Motion (UCM):
Centripetal
Centripetal Force:
Centripetal Acceleration
The motion of an object at a constant speed in a circular path.
center seeking
Net force directed towards the center of the circle- is a col…
acceleration towards the center that holds an object in orbit.
Uniform Central Motion (UCM):
The motion of an object at a constant speed in a circular path.
Centripetal
center seeking
13 terms
circular motion and gravity
axis
rotation
revolution
period (T)
- an imaginary line around which circular motion takes place
: turning around an internal axis... ex) earth's rotation
: turning around an external axis... ex) earth's revolution
- an action that repeats itself... unit- time-seconds (s)
axis
- an imaginary line around which circular motion takes place
rotation
: turning around an internal axis... ex) earth's rotation
22 terms
Lesson 16: Gravity and Circular Motion
gravity
Law of Universal Gravitation
mass
weight
(physics) the force of attraction between all masses in the u…
All matter is attracted to other matter by the force of gravi…
the amount of matter in an object
a measure of gravity's pull on an object
gravity
(physics) the force of attraction between all masses in the u…
Law of Universal Gravitation
All matter is attracted to other matter by the force of gravi…
18 terms
Ch. 9 Gravity and Circular Motion
gravity
superposition
Newton's Law of Universal Gravitation
line of action
Attractive force between two objects that depends on the mass…
principle that field forces add together like vectors
States that the force of gravity depends on the product of th…
an imaginary line in the direction of the force and passing t…
gravity
Attractive force between two objects that depends on the mass…
superposition
principle that field forces add together like vectors
Circular Motion/Gravity Equations
Centripetal Acceleration
Velocity
Little g
Gravitational Force
a=v²/r
v=2πr/T
g= Fg/m
Fg=Gm₁m₂/r²
Centripetal Acceleration
a=v²/r
Velocity
v=2πr/T
Gravity and Circular Motion
d increases
d decreases
d changes by 2
mass increases
fe/fg decreases
fe/fg increases
f changes by 4 (it is squared)
fg increases
d increases
fe/fg decreases
d decreases
fe/fg increases
10 terms
Circular Motion and Gravity
Velocity (circular)
Centripetal Force
Centripetal Force Equation
Centripetal Accelaration
the speed and direction of an object moving in a circle at an…
the unbalanced force needed to keep an object moving in a cir…
Fc = mv^2
the acceleration with which an object travels around a circle…
Velocity (circular)
the speed and direction of an object moving in a circle at an…
Centripetal Force
the unbalanced force needed to keep an object moving in a cir…
11 terms
Uniform Circular Motion and Gravity
Uniform circular motion
Cycle
Period
Linear velocity
The motion of an object traveling at a constant speed on a ci…
An interval of time during which a characteristic, often regu…
The time it takes to make one complete revolution.
Linear velocity is the rate of change of the position of an o…
Uniform circular motion
The motion of an object traveling at a constant speed on a ci…
Cycle
An interval of time during which a characteristic, often regu…
19 terms
Physics: Circular Motion & Gravity
disk: greater tangential outer or inner?
disk: greater rotational speed outer o…
centripetal force
centrifugal force
outer, greater radius
same, same number of revolutions
center-seeking force, causes obj to follow circular path
center-fleeing, fictional force: not part of interaction
disk: greater tangential outer or inner?
outer, greater radius
disk: greater rotational speed outer o…
same, same number of revolutions
Circular Motion, Gravity & Pendulums
Amplitude
Acceleration
Kinematics
Terminal Velocity
angle made of maximum displacement from rest position
change in velocity over period of time
Branch of physics
resistant force of air increases as object falls through air…
Amplitude
angle made of maximum displacement from rest position
Acceleration
change in velocity over period of time
Circular Motion and Gravity
Uniform Circular Motion (UCM)
Centripetal
Centripetal Force
Centripetal Acceleration
The motion of an object at a constant speed in a circular path.
Center seeking
Net force directed towards the center of a circle.... (A collect…
Acceleration towards the center that holds an object in orbit.
Uniform Circular Motion (UCM)
The motion of an object at a constant speed in a circular path.
Centripetal
Center seeking
22 terms
Circular motion and Gravity
Uniform Circular Motion
Period (T)
Linear (tangential) velocity
Centripetal force does not....
motion in a circle at a constant speed
time for one cycle
The direction of the instantaneous velocity is tangent to the…
denote a new and separate force of nature
Uniform Circular Motion
motion in a circle at a constant speed
Period (T)
time for one cycle
Circular Motion and Gravity
T=t/n
Frequency
Period
f=n/t
T is period (s)... t is time (s)... n is the number of cycles
Descrones how many cycles can happen in one second
Time it takes to complete a cycle once
f is period (Hertz)... n is number of cycles... t is time(s)
T=t/n
T is period (s)... t is time (s)... n is the number of cycles
Frequency
Descrones how many cycles can happen in one second
11 terms
Gravity and Circular Motion
Circular Motion
Period
Tangential Velocity
Centripetal Force
Motion in a circle with constant speed and constant radius BU…
The period of a wave is the time for a particle on a medium t…
The velocity of the object is always tangential to the circle…
a force that makes a body follow a curved path
Circular Motion
Motion in a circle with constant speed and constant radius BU…
Period
The period of a wave is the time for a particle on a medium t…
15 terms
Circular Motion and Universal Gravity
Circular motion
Tangential speed
The object's distance from the center…
Uniform circular motion
An object moves in a circular path and is constantly changing…
The speed at any point the circular path of the object
The tangential speed depends on what?
Circular motion whenever the tangential speed is constant
Circular motion
An object moves in a circular path and is constantly changing…
Tangential speed
The speed at any point the circular path of the object
Circular Motion & Center of Gravity
rotation
revolution
tangential speed
rotational speed
occurs when an object turns about on internal axis
occurs when an object turns about on external axis
speed of something moving in a circle
number of rotations per unit of time
rotation
occurs when an object turns about on internal axis
revolution
occurs when an object turns about on external axis
Circular motion and gravity
Centripetal force
Forces that cause centripetal force
Why do you feel centrifugal force
Centripetal acceleration
(Fc) A center pulling force that causes objects to move in a…
Friction gravity tension
Your inertia pulls you outwards. Centrifugal force is not a r…
(Ac) an inwards acceleration of an object traveling in a circ…
Centripetal force
(Fc) A center pulling force that causes objects to move in a…
Forces that cause centripetal force
Friction gravity tension
11 terms
Circular Motion and Gravity
Newton's 1st Law
What is required to move an object in…
Example of Circular Motion
Do objects moving in uniform circular…
an object in motion tends to stay in motion & an object at re…
unbalanced force
driving in a car with the steering wheel turned so that the c…
No, velocity has a magnitude and a direction and the directio…
Newton's 1st Law
an object in motion tends to stay in motion & an object at re…
What is required to move an object in…
unbalanced force
40 terms
Circular motion and gravity
Is it possible for an object moving wi…
Consider a particle moving with consta…
An object moves in a circular path at…
When an object experiences uniform cir…
Yes, although the speed is constant, the direction of the vel…
It is moving in a circle
The vectors are perpendicular.
is directed toward the center of the circular path.
Is it possible for an object moving wi…
Yes, although the speed is constant, the direction of the vel…
Consider a particle moving with consta…
It is moving in a circle
Gravity and Circular Motion Conceptual
Rotation
Revolution
Calculating Radius - Circular motion
Keplers 3 laws
Around own internal axis (earth around own axis)
Around external axis (earth around sun)
r = C/2 (pie)
1.planets orbit in elliptical path with sun at focus... 2.closer…
Rotation
Around own internal axis (earth around own axis)
Revolution
Around external axis (earth around sun)
16 terms
Gravity and circular motion
In what direction is velocity for unif…
Describe two meanings of mass.
How is mass different from weight
Give an example to show that gravity i…
Tangent to the circle
Inertial (resistance to change) or gravitational (attractional)
Mass is the true amount of matter and does not depend on grav…
You don't feel attracted gravitational to another person
In what direction is velocity for unif…
Tangent to the circle
Describe two meanings of mass.
Inertial (resistance to change) or gravitational (attractional)
15 terms
Gravity & Circular motion
What is newtons law of universal gravi…
What is G?
What are the two masses you need in ne…
What equation do you use to find the a…
F=Gmm/d^2
6.67*10^-11 Nm^2/kg^2
Central and orbiting
Gm/d^2=g
What is newtons law of universal gravi…
F=Gmm/d^2
What is G?
6.67*10^-11 Nm^2/kg^2
30 terms
Light, circular motion and gravity
Huygens
Newton
Young
Fresnel
supports wave theory, evidence: reflection and refraction
supports particle theory, evidence: prism
supports wave theory, evidence: double slit expirement
supports wave theory, evidence: mathematic equations entered…
Huygens
supports wave theory, evidence: reflection and refraction
Newton
supports particle theory, evidence: prism
circular motion and gravity test
________ keeps the ball in a circle
______ keeps you in a circle on a track
any two objects that have mass have an…
found G
tension of string
friction
attractive force between them
cavendish
________ keeps the ball in a circle
tension of string
______ keeps you in a circle on a track
friction
Circular Motion/Gravity
Centripetal Acceleration equation
Centripetal Force equation
Gravity equation
Torque equation
a=v^2/r
F=mv^2/r
F=G(m1•m2/r^2)
T=F•r
Centripetal Acceleration equation
a=v^2/r
Centripetal Force equation
F=mv^2/r
13 terms
Circular Motion & Gravity Test
A boy and a girl are ridimg on a merry…
An object moves in a circular path at…
Angular velocity units
Centripetal acceleration must involve…
Both have the same non-zero angular velocity
The vectors are perpendicular
Radians per second
An object's velocity
A boy and a girl are ridimg on a merry…
Both have the same non-zero angular velocity
An object moves in a circular path at…
The vectors are perpendicular
Physics Circular Motion and Gravity
Fc = mac
ac = (v^2)/r
VT = (2pir)/T
ac = (4pi^2r)/(T^2)
Centripetal Force Equation
Centripetal Acceleration Equation
Velocity
Centripetal Acceleration Equation with Period
Fc = mac
Centripetal Force Equation
ac = (v^2)/r
Centripetal Acceleration Equation
8 terms
Physics- gravity and circular motion
If the earth were hollow but still had…
If the earth were of uniform density,…
The gravitational force of attraction…
A ball of mass M at the end of a strin…
Your weight would be the same
Your weight would be less in the mineshaft
Doubling the mass of both objects, only
Doubling V and halving R
If the earth were hollow but still had…
Your weight would be the same
If the earth were of uniform density,…
Your weight would be less in the mineshaft
Circular Motions and Gravity
Tangential Speed
Axis
Rotation
Revolution
-the speed of an object moving along a circular path
-middle point
-The spin of a body on its axis
-The movement of an object around another object
Tangential Speed
-the speed of an object moving along a circular path
Axis
-middle point
35 terms
Chapter 9 Gravity and Circular Motion
Newton's Law of Universal Gravitation
the same as
the tension in the string.
force on the moon has the same nature…
The law stating that force of gravity between any two objects…
The force between a point mass and a sphere is __ it would be…
When you whirl a ball on the end of a string, the centripetal…
Newton had the insight to see that the
Newton's Law of Universal Gravitation
The law stating that force of gravity between any two objects…
the same as
The force between a point mass and a sphere is __ it would be…
Universal Gravity, circular motion, & torque
center of gravity
centripetal force
centrifugal force
falling bodies
-the point in an object where all the mass(weight) appears to…
-center seeking... -all goes to the center ... -the force that caus…
-fictitious force ... -not real... -caused by inertia... -decreases as…
bodies continues in a straight line unless another force acte…
center of gravity
-the point in an object where all the mass(weight) appears to…
centripetal force
-center seeking... -all goes to the center ... -the force that caus…
15 terms
Circular Motion and Gravity (Unit 7)
Axis
Rotation
Revolution
Causing on days and night, and seasons
Line about which circular motion occurs
Axis is within object "spinning"
Axis is outside object
Earth rotates on it's axis (this causes day and night) and re…
Axis
Line about which circular motion occurs
Rotation
Axis is within object "spinning"
15 terms
Unit 1: circular motion and gravity
circular motion
speed
force
acceleration
motion of an object in a circle
Distance/time
A push or a pull
Change in velocity divided by the time it takes for the chang…
circular motion
motion of an object in a circle
speed
Distance/time
12 terms
Gravity and Circular Motions concepts and equations
Tangential velocity
Net Force
Angular Velocity
θ
F=(mv^2)/r
angular displacement
Tangential velocity
Net Force
F=(mv^2)/r
Chapter 5: Circular motion and gravity
Uniform circular motion
centripetal acceleration
frequency and period
centripetal force
-the speed is constant for uniform circular motion... -velocity…
(a = v/t)... θ = s/r = (v∆t)/r... a,c = (v^2/r)
-circumference of a circle of radius r is 2πr... -the period is…
-implies a ner centripetal force toward the center of the cir…
Uniform circular motion
-the speed is constant for uniform circular motion... -velocity…
centripetal acceleration
(a = v/t)... θ = s/r = (v∆t)/r... a,c = (v^2/r)
23 terms
Chapter 6: Circular Motion and Gravity
angular motion
radian
conversion from degrees to radians/ ra…
tachometer
angular motion is measured in degrees (°) or radians (rad) wh…
a radian is an angular measure scaled to the circle. there ar…
radians= degrees x (π/180), or degrees= radians x (180/π)
a device found in a car that measures the number of revolutio…
angular motion
angular motion is measured in degrees (°) or radians (rad) wh…
radian
a radian is an angular measure scaled to the circle. there ar…
15 terms
Unit 1 circular motion and gravity
Circular Motion
speed
force
acceleration
circular motion is a term that defines an object's movement i…
the rate at which someone or something is able to move or ope…
any interaction which tends to change the motion of an object.
increase in the rate or speed of something
Circular Motion
circular motion is a term that defines an object's movement i…
speed
the rate at which someone or something is able to move or ope…
10 terms
Chapter 6: Circular Motion and Gravity
Degrees
Radian
Circumference
Tachometer
Angular motion is measured in radians or ___.
A ___ is an angular measure scaled to the circle. It is the a…
In one complete revolution, the arc length is the ____ of a c…
A ____ measures the number of revolutions per minute in a car.
Degrees
Angular motion is measured in radians or ___.
Radian
A ___ is an angular measure scaled to the circle. It is the a…
11 terms
Circular Motion and Law of Gravity vocab
Angular Displacement
Angular Velocity
Angualr acceleration
Tangential velocity
The angle in radians through which an object in circular moti…
The rate of change of angular displacement
The rate of change of angular velocity
The instantaneous velocity of an object in circular motion di…
Angular Displacement
The angle in radians through which an object in circular moti…
Angular Velocity
The rate of change of angular displacement
Circular Motion and Gravity Equations and Units
Equation for Period
Second equation for Period
Equation for Frequency
Second equation for Frequency
T= t/n
T= 1/f
f= n/t
f= 1/T
Equation for Period
T= t/n
Second equation for Period
T= 1/f
45 terms
Circular Motion and Gravity Unit Test
Uniform circular motion
cycle
period
Average speed formula
motion in a circle at a constant speed
one complete revolutionn
the time for a cycle; symbol: T; Formula: Seconds/Cycles; Uni…
V=d/t=2pir/T
Uniform circular motion
motion in a circle at a constant speed
cycle
one complete revolutionn
1 of 10