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Transcript
THIS
IS
Enjoy Your
Circular Motion
& Gravitaion
Going in
Circles
Centripetal
Force
Torque
Law of
Gravitation
Vocabulary
Assorted
100
100
100
100
100
100
200
200
200
200
200
200
300
300
300
300
300
300
400
400
400
400
400
400
500
500
500
500
500
500
Spinning motion of a
body
A 100
What is rotational
motion?
A 100
The type of motion
experienced by someone in a
Ferris wheel car.
A 200
What is circular motion?
A 200
The velocity of an object
moving around in a circular
path.
A 300
What is tangential velocity
(circular velocity)?
A 300
The direction of the
tangential velocity vector
with respect to the circular
path in which an object
moves (or with respect to
centripetal force acting on the
object).
A 400
What is tangent to the circle? (or
perpendicular to the centripetal
force acting on the object)
A 400
Angular motion is measured
in these units. (There are 2π
of these in a full circle.)
A 500
What are radians (rad)?
A 500
The units of centripetal
force.
B 100
What are Newtons (N)?
B 100
Centripetal force is
directed here.
B 200
What is towards the
center of the circle?
B 200
Racetrack designers make
sure the curves are produced
in this manner to generate
centripetal force needed to
help the cars stay on the path.
B 300
What is banked?
B 300
Acceleration of an object
directed toward the center of
the circular path in which it
moves.
.
B 400
What is centripetal
acceleration?
B 400
The centripetal force needed
to keep the moon orbiting the
Earth is equivalent to this
force.
B 500
What is gravitational
force?
B 500
Torque is a force that
does this.
C 100
What is twist, turn or
rotate an object?
C 100
The tool used to apply torque
to a bolt.
C 200
What is a wrench ?
C 200
Torque depends on two
things: a force, and a
______arm.
C 300
What is the lever arm?
C 300
DAILY
DOUBLE
C 400
The torque lever arm is the
perpendicular distance from
this axis to the direction of
the force applied.
C 400
What is the rotational axis?
C 400
The units of torque.
C 500
What are Newton-meters
or Foot-pounds?
C 500
Scientist developed a
Universal Law of Gravitation.
D 100
Who is Sir Isaac Newton?
D 100
These are two factors of
objects related to their
gravitational attraction for
one another.
D 200
What are mass and distance
from each other?
D 200
The force of gravitational
attraction between two
objects is directly
proportional to this.
D 300
What is mass?
D 300
This is how much the
gravitational force of
attraction decreases as the
distance between two objects
doubles.
D 400
What is by a factor of four?
D 400
6.67259 x 10-11 N m2/kg2 is
the value of this number
associated with calculations
of the force of gravitational
attraction.
D 500
What is G, the Universal
Gravitational constant
(constant of proportionality)?
D 500
The average position of an
object’s mass.
E 100
What is the center of mass?
E 100
Constant tangential speed.
E 200
What is uniform circular
motion?
E 200
The average location of the
weight of an object.
E 300
What is the center of
gravity?
E 300
This quantity measures the
resistance to a change in
rotational motion.
E 400
What is the moment of
inertia?
E 400
This adjective describes the
motion of a body as it shifts
from one point in space to
another. It normally takes
place in straight line.
(Non physics definition:
related to a job of converting
speech from one language to
another.)
E 500
What is translational?
E 500
This helps cause the tides.
F 100
What are the gravitational
forces exerted by the Earth
and its moon?
F 100
This scientist used a torsional
balance to calculation the
Universal gravitational
constant.
F 200
Who is Lord Henry
Cavendish?
F 200
If you swing a ball attached to a
string in a circle above your head,
and the string breaks, this causes the
ball to fly off ’s in a straight line
path.
F 300
What is the ball’s inertia?
F 300
This is said of satellites that
are in orbit around the Earth.
(and causes astronauts on the
ISS to be weightless).
F 400
What is they are in a
continual state of free fall?
F 400
Einstein didn’t believe that
gravity was a force at all, but
a curve or distortion in this.
F 500
What is the shape of spacetime (“fabric of space”)?
F 500
The Final Jeopardy Category is:
Einstein’s Gravity
Please record your wager.
Click on screen to begin
Einstein’s theory that describes
gravity as a distortion of the
shape of space-time.
Click on screen to continue
What is The General Theory of
Relativity?
Click on screen to continue
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