Understanding Motion and Its Metrics

How does the MIDDLE photo represent acceleration?

• The car is speeding up

• The car is slowing down

• The car is changing direction

• The car does not represent acceleration

What is the SI unit of speed?

• Meter per second (m/s)

• Kilometer per hour (km/h)

• Miles per hour (mph)

• Feet per second (ft/s)

If a car travels 150 kilometers in 3 hours, what is its average speed?

• 30 km/h

• 50 km/h

• 60 km/h

• 70 km/h

Which of the following is a vector quantity?

• Speed

• Distance

• Velocity

• Time

A runner increases their velocity from 5 m/s to 9 m/s in 2 seconds. What is their acceleration?

• 1 m/s²

• 2 m/s²

• 3 m/s²

• 4 m/s²

What is the metric unit for distance?

• Mile

• Kilometer

• Yard

• Inch

Convert 100 meters to kilometers.

• 0.01 km

• 0.1 km

• 1 km

• 10 km

Which graph best represents an object moving with constant velocity?

• A straight horizontal line

• A straight line with a positive slope

• A curved line

• A straight line with a negative slope

If a cyclist travels 20 km north and then 15 km south, what is their displacement?

• 5 km north

• 35 km north

• 5 km south

• 35 km south

What is the formula for calculating acceleration?