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if you shoot a dart at a wall, it exerts a force on the wall, yes? but it isn't accelerating toward the wall.?
if a=0, how does F≠0 if f=ma?
when it hits the wall, it accelerates toward you (away from the wall), exerting a force toward you? how does that make sense?
3 Answers
- Anonymous1 decade agoFavorite Answer
No.
Shooting the dart TOWARD the wall does not exert a force on the wall until the comes in contact with the wall itself.
When that happens, the dart decelerates from whatever it's velocity toward the wall was, to zero.
- Anonymous1 decade ago
ah. but you forget it accelerated in the negative direction instantaneously when it hit the wall. kinetic energy is then transformed into heat and sound
- Anonymous1 decade ago
it depends on d, distance, as a factor in acceleration.