Unit 1 Review

If a car travels 120 kilometers in 2 hours, what is its speed?

• 60 km/h

• 80 km/h

• 100 km/h

• 120 km/h

A train travels at a speed of 90 km/h. How far will it travel in 3 hours?

• 270 km

• 180 km

• 300 km

• 90 km

A car accelerates from 20 m/s to 40 m/s in 5 seconds. What is its acceleration?

• 2 m/s²

• 4 m/s²

• 6 m/s²

• 8 m/s²

A skateboarder slows down from 8 m/s to 2 m/s in 4 seconds. What is the skateboarder's acceleration?

• -1.5 m/s²

• -1.0 m/s²

• -0.5 m/s²

• 0 m/s²

If a person walks 10 meters north and then 5 meters south, what is their total displacement?

• 5 meters north

• 15 meters north

• 5 meters south

• 15 meters south

A car drives 200 meters east and then turns around and drives 150 meters west. What is its total displacement?

• 50 meters east

• 350 meters east

• 50 meters west

• 350 meters west

A car travels 100 meters north in 20 seconds. What is its velocity?

• 5 m/s north

• 10 m/s north

• 15 m/s north

• 20 m/s north

A boat moves 40 meters east in 10 seconds. What is its velocity?

• 4 m/s east

• 5 m/s east

• 6 m/s east

• 4.5 m/s east

What force is required to accelerate a 5 kg object at a rate of 2 m/s²?

• 5 N

• 10 N

• 15 N

• 20 N

If a force of 20 N is applied to a 4 kg object, what is its acceleration?

• 2 m/s²

• 4 m/s²

• 5 m/s²

• 10 m/s²