2. Myra runs 400 meters North, then turns around and run 400 meters South. What is her
displacement?
B. Om
B. 800 m
C. 400 m
D. 400 m/s
3. When is an object considered to be in motion?
A. When its position changes with respect to a point of reference.
B. When its distance changes with respect to a point of reference.
C. When its position will not change with respect to a point of reference.
D. When its distance will not change with respect to a point of reference.
4 What do we call the zero location in a coordinate system or frame of reference?
C Acceleration
D. Displacement
C. Reference point
D. Uniform motion
5 Scalars are quantities that are fully described by a magnitude (or numerical value) alone.
Which of the following is a scalar quantity?
A Direction
B. Displacement
C. Distance
D. Velocity
6. Vectors are quantities that are fully described by both a magnitude (or numerical value)
and a direction. Which of the following is a vector quantity?
A. Displacement
B. Distance C. Meters
D. Speed​