Physical Science Chapter 2 Motion: NEMCC Questions
With Complete Solutions
•speed
•direction
•speed and direction •acceleration Correct Answer ________
can change, __________ can change, both _________ and
___________ can change and __________ can be negative.
320
8 Correct Answer Artificial satellites must travel more than
________ km above Earth
and must travel at least ________ km/s to maintain orbit.
Accelerated Correct Answer Circular motion is
_______________ motion because direction is
constantly changing.
Acceleration
Force Correct Answer Centripetal __________ is present and
a centripetal ______ must be acting for circular motion to occur.
Acceleration Correct Answer ________ is the rate at which
motion changes over time.
Acceleration Correct Answer ___________ is the same for all
objects.
, At the same time Correct Answer An arrow dropped and an
arrow shot hit the ground _____________.
Attractive
inversely Correct Answer Newton's Law of Gravitation
describes the ______________ force
between all masses, is proportional to the product of the masses,
is _____________ proportional to separation distance squared
and
explains g.
Average Correct Answer ________ speed is the most
common measurement.
Centrifugal Correct Answer ______force is the apparent
outward tug as direction changes on an
object moving in a circular pattern
Centripetal Correct Answer Newton's Law of Universal
Gravitation explains the __________ force
for orbital motion.
Describe horizontal velocity and motion for horizontal
projectiles. Correct Answer •Horizontal velocity remains the
same (neglecting air resistance)
•Taken without vertical motion = curved path
Describe vertical velocity and horizontal motion of a football
after the
With Complete Solutions
•speed
•direction
•speed and direction •acceleration Correct Answer ________
can change, __________ can change, both _________ and
___________ can change and __________ can be negative.
320
8 Correct Answer Artificial satellites must travel more than
________ km above Earth
and must travel at least ________ km/s to maintain orbit.
Accelerated Correct Answer Circular motion is
_______________ motion because direction is
constantly changing.
Acceleration
Force Correct Answer Centripetal __________ is present and
a centripetal ______ must be acting for circular motion to occur.
Acceleration Correct Answer ________ is the rate at which
motion changes over time.
Acceleration Correct Answer ___________ is the same for all
objects.
, At the same time Correct Answer An arrow dropped and an
arrow shot hit the ground _____________.
Attractive
inversely Correct Answer Newton's Law of Gravitation
describes the ______________ force
between all masses, is proportional to the product of the masses,
is _____________ proportional to separation distance squared
and
explains g.
Average Correct Answer ________ speed is the most
common measurement.
Centrifugal Correct Answer ______force is the apparent
outward tug as direction changes on an
object moving in a circular pattern
Centripetal Correct Answer Newton's Law of Universal
Gravitation explains the __________ force
for orbital motion.
Describe horizontal velocity and motion for horizontal
projectiles. Correct Answer •Horizontal velocity remains the
same (neglecting air resistance)
•Taken without vertical motion = curved path
Describe vertical velocity and horizontal motion of a football
after the
