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Vocab 7(physics)
vocabulary
16
Physics
Not Applicable
11/18/2004

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Term
Trajectory
Definition
the path of a projectile
Term
lever arm
Definition
the perpendicular distance from the axis of rotation to a line along which a force acts
Term
equilibrant
Definition
a force that produces equilibrium
Term
range
Definition
the horizontal distance traveled by a projectile
Term
centripetal force
Definition
a force that acts toward the center of a circle
Term
maximum height
Definition
the height of a projectile when its vertical velocity is zero
Term
rigid rotating object
Definition
a mass that rotates around its own axis
Term
flight time
Definition
the time a projectile is in the air
Term
centripetal acceleration
Definition
acceleration toward the center of a circle
Term
projectile
Definition
an object that has been launched by an initial thrust
Term
normal force
Definition
a contact force that acts perpendicular to an away from a surface
Term
torque
Definition
the product of a force and the lever arm
Term
uniform circular motion
Definition
the movement of an object or a point mass at constant speed around a circle with a fixed radius
Term
equilibrium
Definition
when the net sum of the forces acting on an object is zero
Term
coefficient of kinetic friction
Definition
the ratio of the force of kinetic friction to the normal force
Term
period
Definition
the time needed to complete one cycle of motion
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