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Motion
Motion in One Dimension
Vectors
Newton's Laws of Motion
Circular Motion
100
the magnitude of the velocity vector
What is speed?
100
if they have the same magnitude and direction
What is two equal vectors?
100
force
What is the cause of motion?
100
the number of revolutions per second
What is frequency?
200
temperature, time, and mass
What are three examples of scalar quantities?
200
An object's velocity, speed and direction, at a specific instant of time
What is instantaneous velocity?
200
the sum of two vectors
What is a resultant vector?
200
something that acts, pushes, or pulls; A specific identifiable cause of a force.
What is an agent?
200
the slowest speed at which the car can complete the circle
What is critical speed?
300
the change of an object's position or orientation with time
What is motion?
300
the direction of the displacement
What is the direction a velocity vector points?
300
forces that act on an object by touching it at a point of contact
What is a contact force?
300
an important biological application of circular motion, that is used to separate the components of a liquid that has different densities
What is a centrifuge?
400
1. acceleration is zero 2. velocity is consistent 3. position changes steadily
What are three characteristics of uniform motion?
400
a vector parallel to the axes
What is a component vector?
400
forces that act on an object without physical contact
What is a long range force?
400
closed trajectory around a planet or star
What is orbit?
500
the path along which an object moves, which might be a straight line or might be curved
What is trajectory?
500
when an object moves just under the influence of gravity only and no other forces
What is free fall?
500
vector broken into two perpendicular vectors that are parallel to the coordinate axes
What is a decomposed vector?
500
the force that causes a 1 kg mass to accelerate at 1 m/s^2
What is a newton?
500
an object moving in a circular path is in uniform circular motion if v is constant
What is uniform circular motion?