QUESTIONS 2026 GRADED A+
⫸ Which of the following is the best definition for reference frame?
A) The location of an object as compared to other objects that are
considered to be stationary.
B) A collection of objects that are considered to be stationary that is
used to describe the motion of objects.
C) The branch of physics that is concerned with the motion of objects
without regard for the forces that affect this motion.
D) The rate of change in velocity with respect to time. Answer: B) A
collection of objects that are considered to be stationary that is used to
describe the motion of objects.
⫸ A physical quantity that has both magnitude and direction is known
as a ____________. Answer: vector
⫸ Vector or Scalar?
Distance
Displacement
Position
Time
Time Interval Answer: Distance: *scalar*
, Displacement *vector*
Position *vector*
Time *scalar*
Time Interval *scalar*
⫸ The rate of displacement is known as ________________. It is a
vector and is usually measured in meters per second (m/s).
A) Velocity
B) Speed
C) Acceleration
D) Time Answer: A) Velocity
⫸ Match the physical quantity in the left column with the appropriate
question in the right column. Each choice will be used exactly once.
Position
Displacement
Time Interval
Speed Answer: Where is it?
How far did it go?
How long did it take?
How fast did it go?