Forces and Motion Speed

What is the formula for Speed?

• speed= time x distance

• speed= distance x time

• speed= speed2 - speed 1/time

• speed= disance/time

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What is a system of measurement based on the number 10 and has multiples of 10 called?

• geometeric

• English

• metric

• inches and feet

The speed and direction an object has is described as...

• fast

• velocity

• deceleration

• rolling down a hill

When you coast down a hill you experience what?

• acclereration

• astronomical units

• fun

• direction

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A decrease in speed can be caused by what?

• Friction

• gravity

• grass on the lawn

• all of the above

A basic unit of length in the metric system is called

• liters

• meters

• feet

• inches

Owen was playing hockey. He took off from a standstill and increased his speed to 9km/h in 3 seconds. What was his acceleration?

• 9 km/h/s

• 27 km/h/s

• 3 km/h/s

• 1 km/h/s

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Automobile brakes depend on what to work?

• a good mechanic

• gravity

• friction

• a brake show

The units meter, liter, kilogram are standard units in the...

• world

• English sytstem

• fathom

• Metric system

If Caroline is moving faster on her bike then Jack, Caroline will take __________ time to reach the finish line.

• More

• less

• the same

• 10 seconds

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