Motion and Force

If motion is represented by an arrow, what does the head of the arrow show?

• speed

• position

• distance

• direction

If you were riding in a car down a city street, which frame of reference would not allow you to detect that the car was moving?

• the driver of the car

• buildings along the street

• traffic lights at intersections

• cars parked on the sides of the street

What SI unit would be most appropriate for measuring the distance between Earth and the moon?

• kilometer

• meter

• yard

• mile

Which word could be used to describe the direction of a moving object?

• far

• fast

• forever

• forward

Frame of reference is

• something that affects perception of motion.

• a way to represent distance and direction.

• the line along which something moves.

• any change of location.

Speed depends on how far something travels and

• how steep its route is.

• which direction it travels.

• how much time it takes to travel that far.

• none of the above

What is the SI unit for speed?

• s

• m

• m/s

• s/m

Tags

NGSS.MS-PS3-1

If the slope of a distance-time graph is steep, then the speed of the object must be

• slow.

• rapid.

• constant.

• changing.

If you travel 500 kilometers in 5 hours, your average speed is

• 5 km/h

• 50 km/h

• 100 km/h

• 250 km/h

Tags

NGSS.MS-PS3-1

Objects moving at the same velocity have the same

• size.

• speed.

• direction.

• color.