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- 1. Multiple-choice1 minute1 ptDescribe the speed of the rocket in the speed vs. time graph.Constant speedDecreasing speedIncreasing speedNot moving
- 2. Multiple-choice1 minute1 ptDescribe the speed of the object from 4-6 seconds using the distance vs. time graph.Increasing speedDecreasing speedNot movingConstant speed
- 3. Multiple-choice1 minute1 ptDescribe the speed of the object from
0-2 seconds using the distance vs. time graph.ConstantSpeeding upSlowing downNot moving - 4. Multiple-choice1 minute1 ptWhile on a trip, a family travels east from San Antonio to Houston going 70 mph.SpeedAccelerationVelocity
- 5. Multiple-choice1 minute1 pt
If an individual was rotating an object on a string around his or her head, and suddenly released the string, the object would fly off in a straight line in one direction. This is an example of which of the following?
Newtons 1st Law of Motion
Newtons 2nd Law of Motion
Newtons 3rd Law of Motion
Newtons 4th Law of Motion
- 6. Multiple-choice1 minute1 ptDescribe the speed of the object from
2-5 seconds using the speed vs. time graph.Increasing speedNot movingDecreasing speedConstant speed - 7. Multiple-choice1 minute1 ptDescribe the speed of the object from
5-6 seconds using the speed vs. time graphSpeeding upSlowing downNot movingConstant speed - 8. Multiple-choice1 minute1 pt
In which section of the graph is the greatest distance covered?
AB
BC
CD
DE
- 9. Multiple-choice1 minute1 pt
Which of the following can cause a moving object to change direction?
acceleration
velocity
inertia
force
- 10. Multiple-choice1 minute1 pt
A biker travels 40 m along a path in 20 seconds. What is the biker's average speed?
800 m/s
60 m/s
2 m/s
0.5 m/s
- 11. Multiple-choice1 minute1 pt
What are TWO pieces of information that are necessary to calculate an object's average speed?
magnitude of the object's acceleration
total time the object was in motion
total distance the object traveled
direction of the objects's motion
- 12. Multiple-choice1 minute1 pt
A group of hikers went on a 4-hour trip. During the first 3 hours, they traveled a total of 50.0 kilometers, but during the last hour, they traveled only 10.0 kilometers. What was the group's average speed for the entire trip?
30 km/h
26.6 km/h
13.3 km/h
15 km/h
- 13. Multiple-choice1 minute1 pt
Adam drops a marble and a penny from the top of a 2-meter-tall vacuum, a space free of air particles. He observes that both objects land at the same time. This is example of which scientific law?
the law of conservation of energy
the law of conservation of matter
the law of friction
the law of gravity
- 14. Multiple-choice1 minute1 pt
When is it clear that balanced forces are acting on an object?
The object's motion changes direction.
The object begins moving.
The object's motion does not change.
The object's motion does not change.
- 15. Multiple-choice1 minute1 pt
The velocity of a car changes uniformly from 60.0 meters per second north to 45 meters per second north in 5.0 seconds. What is the magnitude of the car's acceleration?
9.8 m/s2
15 m/s2
3.0 m/s2
53 m/s2
- 16. Multiple-choice1 minute1 pt
A ball rolls down from the top of a grassy hill, reaches the bottom of the hill, continues to roll, and then starts to slow down and comes to a stop. What forces caused this ball's motion?
Gravity caused the ball to roll down the hill, but frictional force caused the ball to slow down and stop.
The force of the hill caused the ball to roll down the hill, but gravity caused the ball to slow down and stop.
Magnetic force caused the ball to roll down the hill, but air resistance caused the ball to slow down and stop.
Frictional force caused the ball to roll down the hill, but magnetism caused the ball to slow down and stop.
- 17. Multiple-choice1 minute1 pt
What is the total distance traveled by the car during this 6.0-second interval?
5 m
10. m
20. m
40. m
- 18. Multiple-choice1 minute1 pt
Jaci had two cubes of equal volume, one made of concrete and one made of plastic foam. She placed them on a table and gave each cube an equal push in order to change the cubes' states of motion. Based on Newton's law of inertia, Jaci's results should show that objects
with greater mass have more inertia.
with greater mass have less inertia.
of equal volume have equal inertia.
of the same density have the same inertia.
- 19. Multiple-choice1 minute1 pt
Which change in an object would increase the force needed to move the object?
increasing the mass of an object
increasing the volume of an object
decreasing the velocity of an object
decreasing the mass of an object
- 20. Multiple-choice1 minute1 pt
A little girl is being pulled in a cart by her grandfather. Suddenly, the little girl's grandfather stops to watch for cars before he crosses the street. The little girl's body continues to move forward in the stopped car until his feet push against the front of the cart. The forward movement of the boy's body shows
Newton's law of gravity.
Newton's law of force and acceleration.
Newton's law of action-reaction.
Newton's law of inertia.
- 21. Multiple-choice1 minute1 pt
If a bus is traveling at an average speed of 60 kilometers per hour, how long does it take to travel 12 kilometers?
0.2 hour
0.5 hour
0.72 hour
5.0 hours
- 22. Multiple-choice1 minute1 pt
Devon made a 500 km trip in five hours. For the first two hours, Dennis had an average speed of 150 km/h. For the last two hours, Devon had an average speed of 100 km/h. Which of the following is true about Devon's trip?
He must have maintained a constant velocity throughout his trip.
He must have maintained a constant speed throughout his trip.
He must have stopped for an hour in the middle of this trip.
He must have driven without stopping during his trip.
- 23. Multiple-choice1 minute1 pt
A student's paper airplane travels forward for a few feet and then begins to fall. What would explain the plane's ability to travel forward for a few feet without falling?
The force of the air pushing up on the plane is equal to the force of gravity pulling down on the plane.
The force of gravity pulling down on the plane is greater than the force of the air pushing up on the plane.
The speed of the plane is greater than the speed of the oncoming air that pushes on the plane.
The speed of the plane is equal to the speed of the oncoming air that pushes on the plane.
- 24. Multiple-choice1 minute1 pt
What is the difference between mass and weight?
Mass is the amount of matter in an object, and weight is the pull of gravity on an object.
Weight is the amount of matter in an object, and Mass is the pull of gravity on an object.
Mass is always more than weight
Weight is always more than mass
- 25. Multiple-choice1 minute1 ptAll of the following are examples of speed except:A car traveling at 55 km/hrA snail hightailing it 45 mm/secJube timing himself at 23 secondsLonnie running down the hall at 45 mph
- 26. Multiple-choice1 minute1 ptWhat is the formula to calculate speed?Speed = Distance x TimeSpeed = Distance/TimeSpeed = Time/DistanceSpeed = Time x Distance
- 27. Multiple-choice1 minute1 ptWhat is the difference between instantaneous speed and average speed?Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.Instantaneous speed is never right, average speed is always rightInstantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.Do not pick this answer
- 28. Multiple-choice1 minute1 ptHow would you find the average speed of a marathon runner throughout an entire race?Ask a magic 8 ballYou would take the entire distance the runner traveled and divide the distance by the total time it took the runner to complete the race.run along side them and eyeball itAsk Alexa
- 29. Multiple-choice1 minute1 ptCalculate the speed:
A bus traveled 98 Km in 2 Hours94 Km/hr49 Km/hr196 Km/hr0.02 Km/hr - 30. Multiple-choice1 minute1 ptCalculate the speed:
A truck traveled 208 Km in 4 Hours52 Km/hr25 Km/hr0.019 Km/hr832 Km/hr - 31. Multiple-choice1 minute1 pt
A measure of how fast something moves in a given amount of time.
Speed
Distance
Time
Velocity
- 32. Multiple-choice1 minute1 pt
Which of these graphs represent a constant speed?
- 33. Multiple-choice1 minute1 pt
Jane jogs 18 km in 2 hours. Then she walks for 6 km in 2 hours. Find her walking speed.
9
3
12
6
- 34. Multiple-choice1 minute1 ptScott travels north 5 miles. He then goes west 3 miles before he turns south and goes 3 more miles. His trip takes a total of 15 minutes. What is his average speed?about 0.7 mi/minabout 0.3 mi/minabout 1.7 mi/minabout 11 mi/min
