Force & Motion Test Review

3. A car travels 120 meters in 5 seconds. What is the speed of this car?

• 25 meters per second

• 24 meters per second

• 600 meters

• 24 meters

4. A ball rolls 50 meters in 5 seconds. What is the speed of the ball?

• 10 meters per second

• 10 meters

• 250 meters per second

• 250 meters

5. Four boxes are lifted straight up from the ground to a shelf. Each box has a different mass, as shown in the table. Which box requires the smallest force to lift it off the ground?

• Box L
• Box M
• Box N
• Box O

6. A ball moves across a table. The ball moves from right to left as shown by the blue arrow. Forces can be applied to the moving ball. The red arrows indicate those forces and show the direction each force would act on the ball. Which diagram is labeled correctly to show the effect each force would have on the ball's motion.

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7. A teacher is pushing a cart filled with books down a hallway with a wooden floor. Which change would help the teacher move the cart more easily?

• putting fewer books in the cart
• removing the wheels from the cart
• carrying the cart instead of rolling it
• laying carpet over the wooden floor

Students design toy cars and then race them against each other. They record the following measurement during the competition. What should students do to calculate the average speed of each toy car?

• Divide the weight of each toy car by its volume.
• Divide the volume of each toy car by its weight.
• Divide the distance traveled by each toy car by the time traveled.
• Divide the time traveled by each toy car by the distance traveled.

8. Students slide 3 different weights across a sheet of ice by giving each a brief push. Which set of graphs show the correct information? (Look carefully at the titles in the sample graph below)

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12. What is the formula for speed?

• F=M x A
• A=M x F
• S=D ÷ T
• D=S ÷ T

13. When you ride a roller coaster, what makes your body rise out of its seat at the top of the hill?

• gravity
• friction
• electricity
• inertia

14. A bowling ball and a tennis ball are rolling at the same speed. It takes a certain amount of force to slow each ball down. How does the force needed to slow the bowling ball compare to the force needed to slow the tennis ball?

• It takes more force to slow the tennis ball than the bowling ball.
• It takes more force to slow the bowling ball than the tennis ball.
• There is not enough information to tell.
• It takes the same force to slow both balls.