1. A change of position relative to a frame of reference os called__.​
A. acceleration
B. motion
C. speed
D. velocity

2. the Earth's movement on its axist is a ___ motion.
A. circular
B. rolling
C. peroidic
D. rectilinear

3. A reference point is also called__.
A. frame of reference
B. position
C. distance
D. force

4. You need a frame of reference to describe your__.
A. motion

B. distance
C. speed
D. position

5. An object moves if there is__ that is exerted on it.
A. force
B. position
C. frame of reference
D. distance

6. In the phrase "three blocks from the hospita", what is the hospital?
A. a position
B. a destinition
C. a deminsion
D. a reference point

7. A ship is sailing from the port. Compared to which reference point is the ship in motion?
A.the sea
B. the port
C. the captain of the ship
D.the cargo ship

8. Which shows rectilinear motion?
A. ants moving on the wall
B. ball rolling
C. hands on the clock
D. Earth's revolution

9. To know the__ of a moving car, we must divide the distance travelled by the time it has covered.
A. force
B. speed
C. position
D. motion

10. it is a push or a pull
A. friction
B. gravity
C. force
D.speed
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