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Motion-Weiser
Question | Answer |
---|---|
If the same force acts on each of the following objects, the ___________ _________will have the greatest acceleration. | golf ball |
Why would it be harder to stop a heavy ball than a light ball if they are traveling at the same speed? | The heavy ball has greater momentum |
The distance an object travels in a certain time is the ____________. | speed |
If a marble rolls steadily at a speed of 1 m/sec in one direction for 2 minutes, what property of the marble changed? | position |
_______________is the tendency of an object to resist a change in motion. | inertia |
________________is the distance an object travels in a certain direction in a certain time. | Velocity |
The rate at which an object's velocity changes is ___________________. | acceleration |
The two toy cars in the diagram have the same _______________. | speed |
You can probably pick up an ____________by exerting just 1 newton of force. | apple |
Which has the most momentum-a truck, a car, a motorcycle, or a train? | train |
Astronauts "float" while they are in orbit because __________and ____________ are balanced in orbit. | inertia gravity |
If you are watching a football game from a seat near the top of a stadium which term describes your position and all the things around you? | frame of reference |
If someone jumps and puts a basketball in the basket what object pushes against them? | the floor |
Why is a train accelerating if it is traveling on a curved track at a constant speed? | the direction of the train is constantly changing |
If a car accelerates 10km/hr every second, what will its speed be at the end of 3 seconds? | 30 km/hr |
As you walk, your feet push against the ground. At the same time, the ground pushes against your feet. Which law explains this? | Newton's third law |