Unit 4: Motion

___ is the length of the route between two points.

• Distance

• Direction

• Force

• Velocity

• Speed

The SI unit for distance is the ___.

• second (s)

• meter per second squared (m/s²)

• meter per second (m/s)

• meter (m)

• Newton (N)

A vector is a measurement that has both size and direction and may be represented by ___.

• a line

• an arrow

• a box

• a star

How fast or slow something moves is its ___.

• Distance

• Direction

• Force

• Velocity

• Speed

The SI unit for speed is ___.

• second (s)

• meter per second squared (m/s²)

• meter per second (m/s)

• meter (m)

• Newton (N)

Average speed is calculated with this formula:

• a = speed / time

• a = distance / time

• s = distance / time

• F = m * a

you walk 3 kilometers in 30 minutes, what is your average speed in kilometers per hour?

• 0.1 km/hr

• 6 km/hr

• 90 km/hr

• 1.5 km/hr

• 60 km/hr

What distance will a truck travel in 3 hours at an average speed of 50 miles per hour?

• 16.67 mi/hr

• 1.5 mi/hr

• 0.06 mi/hr

• 150 mi/hr

• 100 mi/hr

___ is a measure of both speed and direction of motion.

• Distance

• Direction

• Force

• Velocity

• Speed

___ is a measure of the change in velocity of a moving object. It measures the rate at which the change is occurring.

• Distance

• Acceleration

• Force

• Velocity

• Speed