Ron 51's Comments
Number 4 is not correct
Just because you kick someone across the room doesn't mean you will go flying back yourself
You're forgetting you're standing on a floor here, if you kick someone across the room they'll be flying in the air hence the force negating them is the air resistance which is minimal in force, the friction of the floor will take out a lot of this equal momentum, momentum can also be exerted within your joints inside your body but its mainly friction
just think about it like this, if i pushed someone on concrete i would be unlikely to fall back myself
but if i pushed them on ice, yes i might go back the same distance or roughly as which i pushed them
different surfaces, different friction, different forces exerted on your bodily joints and mass in relation to gravity
Just because you kick someone across the room doesn't mean you will go flying back yourself
You're forgetting you're standing on a floor here, if you kick someone across the room they'll be flying in the air hence the force negating them is the air resistance which is minimal in force, the friction of the floor will take out a lot of this equal momentum, momentum can also be exerted within your joints inside your body but its mainly friction
just think about it like this, if i pushed someone on concrete i would be unlikely to fall back myself
but if i pushed them on ice, yes i might go back the same distance or roughly as which i pushed them
different surfaces, different friction, different forces exerted on your bodily joints and mass in relation to gravity
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falls usually depend on projectile motion which is determined by the weight of an object and the velocity that it is travelling at the point of fall. if a car was travellin at an extremely high speed, it would still be able to clear a gap