NLN PAX Science| 148 QUESTIONS| WITH ALL ANSWERS CORRECT
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Course
NLN PAX
Institution
KAPLAN UNIVERSITY
Cornea Correct Answer: The transparent front part of the eye that covers the iris, pupil, and anterior chamber.
Mechanics Correct Answer: the study of the motion of objects
Vectors Quantities Correct Answer: Both magnitude and direction
Scalar Quantities Correct Answer: -Only magnitude...
nln pax science| 148 questions| with all answers correct
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KAPLAN UNIVERSITY
NLN PAX
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NLN PAX Science| 148 QUESTIONS| WITH
ALL ANSWERS CORRECT
Cornea Correct Answer: The transparent front part of the eye that covers the iris, pupil, and anterior
chamber.
Mechanics Correct Answer: the study of the motion of objects
Vectors Quantities Correct Answer: Both magnitude and direction
Scalar Quantities Correct Answer: -Only magnitude
-Length, area, volume, mass, density, energy, work, and power
Motion Correct Answer: -An object's change in position relative to a reference point
-Result of an unbalanced net force acting on the object
Three basic quantities of motion Correct Answer: Displacement, velocity, and acceleration
Displacement Correct Answer: -When something moves from one place to another
-Along a straight line is a simple example of a vector quantity
If an object travels from position x = -5 cm to x = 5 cm, it has undergone a displacement is _______ . Correct
Answer: 10 cm
A vector that spans the object's displacement in the direction of travel is known as a ____________________
Correct Answer: Displacement Vector
Projectile Motion Correct Answer: Occurs where an object thrown into the air near the earth's surface moves
along an arched path under the effect of gravity alone
Circular Motion Correct Answer: Movement of an object in a rotating circular path
Periodic Motion Correct Answer: Motion that is repeated at recurring intervals, such as the swinging of a
pendulum
Two types of velocity Correct Answer: Average and instantaneous
Average Velocity Correct Answer: -The total displacement divided by the time interval during which the
displacement occurred
-Vector and will always point in the same direction as the displacement vector (since time is a scalar and alwa
positive)
Average Velocity formula Correct Answer: total displacement/total time
, Instantaneous Velocity Correct Answer: An object in motion at a specific point in time
Instantaneous Velocity formula Correct Answer:
Acceleration Correct Answer: -The change in the velocity of an object
-Vector quantity and will therefore have both magnitude and direction
-Typically is not a constant value
When an object is thrown upward the acceleration throughout its flight is ___ meters per second squared
(m/s^2) downward. This is ___________ close to its surface. It is the acceleration of all objects when there is
resistance, such as that of _____ . Correct Answer: -9.8
-Earth's gravity (g)
-Air
Stationary Correct Answer: No work performed
Object is held __________ , there is no work performed. This is because the formula for work performed is
equal to the force times _________ , or __________________________ . Correct Answer: -Stationary
-Distance
-Displacement (W = F x d[cos0])
Displacement Correct Answer: -Is needed for work to be done
-Vector measurement
Newton's Laws of Motion Correct Answer: Three physical laws that, together, laid the foundation for classic
mechanics
Describe the relationship between a body and the forces acting upon it, and its motion in response to those
forces
Newton's First Law Correct Answer: An object at rest stays at rest and an object in motion stays in motion w
the same speed and in the same direction unless acted upon by an unbalanced force.
Inertia Correct Answer: The tendency of an object to resist a change in motion
Newton's Second Law Correct Answer: -An objects acceleration is directly proportional to the net force actin
on the object, and inversely proportional to the object's mass ( F = ma )
Newton's Third Law Correct Answer: -For every force, there is an equal and opposite force
Newton's Third Law Equation Correct Answer: Fab = -Fba
Weight Correct Answer: Object is the force of gravity on the object, and may be defined as the mass times th
acceleration of gravity:
w = mg
Mass Correct Answer: The amount of matter an object contains
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