Directions: Recall your precious lesson on the force and motion. Get a notebook and answer the following: 1. Which is not a unit of speed? a. kph . b.mps c. miles/hour d. second/ meter 2. When you throw a ball, it goes up, then it goes down. Why? a. Gravity pulls the ball down b. the force that moves it is not strong C. Gravity does not act on the ball upon release d. the speed of the ball is affected by air friction 3.Speed equals distance divided by a. Time C. size b. Velocity d. motion 4. A bicycle has an average speed of 2 m/sec. This means a. It can travel 4 meters in 2 seconds b. In 1 second, it travels 1 meter c. It takes 2 seconds to travel 1 meter d. It can travel 2 kilometers in 1 hour 5. A car travels 300 kilometers in 6 hours. What is the speed of a car?