What causes constand acceleration?

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Constant acceleration occurs when an object's velocity changes uniformly over time, typically caused by a net force acting on it, as described by Newton's Laws of motion. In the context of the discussed video, if the object moves the same displacement in each frame, it indicates constant velocity rather than acceleration. The distinction between constant velocity and constant acceleration is crucial for understanding motion. The participant acknowledges initial confusion but ultimately clarifies the concept. Understanding these principles is essential for accurately completing the physics lab assignment.
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So I am writing a physics lab. Here's part of the rubric. "Fully explains physics concept constant acceleration including a definition, an example from your video (stop motion video we had to make), the cause, and a FBD"

My question is what is the cause of constant acceleration? Our example in the video is a risk piece moving across the board moving a couple cm across every picture. Would the cause be displacement and velocity or something?

Oh yeah, title is suppose to be constant*.
 
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If the risk piece was moving the same displacement each picture frame, then it would not be experiencing accelerated motion. It would be moving with constant velocity. Anyway, as far as the cause of acceleration, look up Newton's Laws of motion and read them.
 
Hey, i figured it out, and yeah your right i did the wrong thing at first! Physics is so hard, my teacher isn't very good either :(
 

Thread 'Magnitude of buoyant force in fluids of different densities'

The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?
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