![]() Let me see if I can reproduce the data above (should be easy). ![]() This means that almost as soon as you "let go", the bird is at it's launch speed. It seems like the birds are launched with a constant speed with no slingshot acceleration. This might make it look like a constant frictional force. However, if it is already going at it's max speed, it wouldn't. However, when the bird moves closer to the center of the rock, it would speed up. If an object is mostly doing orbital type motions, the gravitational force will be perpendicular to the direction the object moves. I think this would agree with my previous idea of a constant frictional force. If the speed is at 30 m/s, the force can only make the bird change directions (only perpendicular part works). Oh, also this force is true as long as the speed of the bird is less than 30 m/s. I guess the local-Earth gravity does this too, but the Earth appears to be locally flat. Also, this force changes directions and always points towards the center of the asteroid. Here, the gravitational constant is 30 N/kg instead of 9.8. This looks like the gravity on Earth, except that is different. A New Force Modelįrom this experiment, I have a new idea for the way the gravitational force works in Angry Birds Space. I tried three more shots (just to make sure) and I got the same thing. Ok, this doesn't show the same acceleration - really, the acceleration period seems too small to get a good estimate. However, it still had an approximate acceleration of 30 m/s 2 for the first part until it reached a speed of about 30 m/s at which time it remained constant.įor the next test, I shot a bird straight at the rock. This made the bird go not quite as far in the opposite direction before turning around. I shot a bird away from the rock, but I didn't "pull back" on the sling shot as much. For the later part of this motion, it looks like the bird is moving at a constant speed of 29.72 m/s. It says that the acceleration in the direction of the rock would be 29.876 m/s 2 (assuming the scale where the slingshot is 4.9 meters tall). The part where the bird goes away and then back towards the rock. Here, I fit a quadratic function to the first part of the motion. However, building such a thing is just not so simple. Ideally, it would be the size of the Earth. Maybe I want to build a gravitational wave detector. One of the things I love about analyzing games like Angry Birds Space is that you have some freedom to create little experiments, but you can't just do whatever you want. Are you ready for some more data? Of course you are. Outside this sphere, there seems to be no gravitational forces. I also found that there is some "gravitational sphere of influence". At that point, my best guess was that the gravitational force was constant and there was some type of air resistance. In the second post, I used the actual game - but just the first level.Really, all I could figure out from the movie is that either this isn't normal gravity or the asteroids are super dense. First, I looked at the preview movie before the game was even available.I like it because I don't know the answer. I just can't stop trying to figure out how this stuff works. Isn't admitting you have a problem the first step to recovery? My problem is Angry Birds Space.
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