Motion

Is the change in position with respect to a reference point.

• Speed

• Force

• Motion

The position of an object and its motion depends on the:

• Force point

• Reference point

• Speed point

From the point of view of an observer sitting on a moving bus:

(select the correct answer)

• The bus seats are moving.

• If a person walks down the aisle on the bus is not moving.

• The trees and mountains the observer can see outside the bus are moving.

From the point of view of an observer standing at the side of the road:

(select the correct answer)

• A bus traveling at any speed isn't moving.

• A person sitting on that bus or that car isn't moving.

• The trees and mountains aren't moving.

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes
• 100 minutes
• 100 seconds 
• .25 seconds 

A train travels 25 km in .5 hrs. How fast is the train going?

• 25 miles/hr
• 5 miles/hr
• 125 km/hr
• 50 km/hr

A different runner trains for a marathon for 6 months by eating nothing but bags of french fries from McDonalds. They run a 10 meter dash in 100 seconds. What is their speed?

• 0.01 m/s
• 0.1 m/s
• 1 m/s
• 10 m/s

In 2015, Shea-Z ran 1600 m in 9 minutes, in 2017 his speed was 160 m/min.  In which year was Shea-Z's speed best?

• 2017, because he ran it in less time
• 2015, because his speed was 178 m/min
• 2017, because his speed was 160 m/min
• Neither, his speed was the same both years