The Free-Fall Laboratory is one the science materials you can find on Gizmo. This material allows you to calculate the motion of an object in free fall. Furthermore, it works to investigate the motion of an object when it falls to the ground.
After learning about the Free-Fall Laboratory, you will need to take the Free-Fall Laboratory test on Gizmo. Certainly, you should answer all the questions correctly to gain a high score. If you’re accidentally looking for the Free-Fall Laboratory answers, you can dive into our post to find the answers. Here you go!
The Free-Fall Laboratory Gizmo Answers
There are some sections on the Free-Fall Laboratory test on Gizmo. To make it easier for you to get the Free-Fall Laboratory answers, we will show the correct answers that we will highlight in bold font. Unfortunately, we cannot show you the full answers of the Free-Fall Laboratory, instead we will give you some of the Free-Fall Laboratory answers.
- You need to click the ‘Play’ button to release the shuttlecock. How long does it take to fall to the bottom? T= 0.90 s
- You need to choose the ‘GRAPH’ tab. The box labelled h (m) should be checked, displaying a graph of height vs. time. What does this graph show? The shuttlecock is accelerating downward.
- You need to turn on the v (m/s) box to see a graph of velocity vs. time. Velocity is the speed and direction of the object. Velocity is also referred to as instantaneous velocity. Because the shuttlecock is falling downward, its velocity is negative.
Does the velocity stay constant as the object drops? No
- You will need to turn on the a (m/s/s) box to see a graph of acceleration vs. time. Acceleration is the rate at which the velocity changes over time. What does this graph show?
Shown that the shuttlecock accelerates, then starts to steady its velocity with a slight deceleration at the end.
Activity A – Falling Objects
Question: What factors affect how quickly an object falls?
- Observe: Drop each item through ‘Air’ from a height of ‘3 meters’. Record how long it takes to fall below. For the tennis ball, you may need to try to click the ‘Pause’ button when it hits the ground.
|Shuttlecock||Cotton Ball||Tennis Ball||Rock||Pebble|
- Form a hypothesis: Why do some objects fall faster than others?
Some objects accelerate faster due to their mass and shape
- Predict: A vacuum has no air. How do you think the results will change if the objects fall through a vacuum?
Object will fall at the same time due to the acceleration
- Experiment: On the ‘Atmosphere’ menu, select ‘None’. Drop each item again, and record the results below.
|Shuttlecock||Cotton Ball||Tennis Ball||Rock||Pebble|
- Analyze: What happened when objects fell through a vacuum?
All objects reached the same height inside the vacuum at the same time, in some cases the object bounced.
- Draw conclusions: Objects falling through air are slowed by the force of air resistance. Which objects were slowed the most by air resistance? Why do you think this is so?
The lighter objects such as the cotton balls were slowed the most since they do not have the mass to counter the weight of the air, like heavier objects like the rock carried.
Okay, those are some answers of the Free-Fall Laboratory on Gizmo. If you want to get the full answers of the Free-Fall Laboratory, you can find it on some internet sources such as StuDocu.com, Stuvia.com, docsity.com, coursehero.com, etc.
How to Get the Full Answer of the Free-Fall Laboratory?
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What Is the Aim of Free-Fall Laboratory Learning?
The aim of the Free-Fall Laboratory is to measure the acceleration of a falling object assuming that the only force acting on the object is the force of gravity. To measure the acceleration that is caused by the force of gravitational, some questions should be answered:
- Is the acceleration constant?
- If the acceleration is constant, what is the value of the acceleration?
For this laboratory activity, the Free-Fall Adapter will calculate the time of fall for steel balls of different mass and sizes. With the use of a meter stick, you will calculate the height the ball falls directly.