Unit 6 Force & Motion

True or false: Displacement is a vector quantity. It has magnitude and direction.

• True

• False

The amount of area covered by an object in motion during a period of time is _______________. This is a scalar quantity. It only has magnitude, no direction.

• Displacement

• Distance

Ms Kman bikes 2 miles south. She then turns around and bikes back home the exact way she came. Then she goes another 1 mile past her house to visit a friend.

What is her displacement?

• 0

• 3 miles

• 3 miles south

• 1 mile north

What is the formula to calculate speed?

• speed=distance/time

• time=distance/speed

• distance=speed x time

A VECTOR quantity can be defined as ___________.

• Having magnitude only

• Having direction only

• Having both magnitude and direction

The skateboarder flew past us at 4 miles per hour east. Which of the following BEST describes the skateboarder's travel?

• speed

• distance

• velocity

• time

When you drive to Reno from McDermitt, if you divide the total number of miles you traveled by the time it took you to get there, you would be calculating your___________on the trip.

• average speed

• instantaneous speed (dashboard!)

• Constant speed

An Amazon van travels 40 meters/second (m/s) for 120 seconds. How far did it go?

• 0.133 m

• 4800 m

• 4 m

• 216000 m

_______________ is defined as the rate at which velocity changes.

• speed

• displacement

• position

• acceleration

A truck driver goes 60 miles per hour (mi/hr) for 150 miles. How long was she driving?

• 2.5 hours

• 9000 hours

• 210 hours

• 0.4 hours