Torque
Rotational Inertia and Angular Momentum
Center of Mass/Gravity
Circular Motion
JCA History
100
To make an object turn or rotate one would have to apply what?
What is torque
100
The resistance of an object to changes in its rotational motion is called what
What is rotational interia
100
This is located at the object's average position of mass
What is center of mass
100
When an object turns about an internal axis--that is an axis located within the body of the object
What is rotation
100
The two orders that founded the school
What is the Carmelites and Franciscans
200
What is the equation for torque?
What is torque= force x lever arm
200
What is the equation for rotational inertia?
What is I = m•r2
200
This is the same as the center of mass
What is center of gravity
200
The force directed toward a fixed center that causes an object to follow a circular path is what
What is centripetal force
200
Which current JCA faculty member is the longest tenure
Who is Mr. Barello
300
When there is no change in rotation the torques are what?
What is balanced
300
What is the equation for angular momentum
What is angular momentum = m•v•r
300
If the center of gravity of an object is above the area of support, the object will remain in this position
What is upright
300
"Blank" depends on rotational speed and the distance from the axis of rotation
What is tangential speed
300
Which former JCA student is perusing a country music career
Who is Steven Neal
400
What are two examples of a lever arm
What is a hinge & screwdriver
400
The three principal axes of rotation in the human body are what
What is longitudinal axis, transverse axis and medial axis
400
List the three types of equilibriums
What is Unstable, stable and neutral
400
The equation for centripetal force is what
What is Centripetal force= mass • speed2 divided by radius
400
How many current JCA state championships does the school have
What is 31
500
Calculate the torque produced by a 75N force at the end of a 2m long wrench
What is 150N•m
500
Objects of the same shape but different sizes will accelerate "blank" when rolled down an incline
What is equally
500
The state of an object balances so that any small displacement or rotation raises its center of gravity
What is Stable equilibrium
500
A 60kg ice skater moving at 5 m/s grabs a 6m rope and is swept into a circular path. Calculate the centripetal force.
What is 7.2N
500
First catholic school team to win a state championship
What is 1958 Joliet Catholic Golf team
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