Motion - Physical Science

What is a Net Force?

• force of gravity

• all force acting on an object

• something that catches a force

• graph A

• Graph B

• Graph C

• Graph D

What time did the car come to a complete stop?

• 1-2 seconds

• 7-10 sec

• 4-6 seconds

how far did the car travel at 10 seconds?

• 80 meters

• 20 meters

• 100 meters

• 0 meters

Who will be forced to return the book and what will be the net force?

• brianna and 2 N

• Brianna and 38 N

• Jennifer and 2 N

• Jennifer and 38 N

Which surface will create the least friction?

• gravel track

• carpet

• grassy soccer field

• smooth glass table

What does a flat horizontal line mean on a speed graph?

• moving fast

• object in motionless

• gettin faster

• coming back to start

If a car travels 150 km in 2 hours, what is its average speed?

• 300 km/hr

• 75 km/hr

• 100 km/hr

• 150 km/hr

Which of the following accurately contrasts velocity and speed?

• speed is distance traveled in a certain amount of time. Velocity is time traveled in a certain distance

• speed is distance traveled in a certain time. Velocity is speed in a specific direction

• Velocity is distance traveled in a certain time. Speed is velocity in a certain direction

• velocity is distance traveled in a certain time. Soeed is how fast you're going

Select all unbalanced forces

• a person skating back and forth on ice rink

• a tire with treads gaining speed on an icy road

• two soccer players running in opposite directions

• a book resting on a desk