Recent content by aerf

Yeah I just forgot my brackets... It came when simplifying this trigonometric equation and just changed from the one form to the other and I got so confused so I looked at what happened and came to that equation, yes but I'd only make the denominators 6 and then add the numerators.

Just stumbled upon something and I've never been taught it before and cannot see why its true... Hoping someone can help x/y + y/x = x^2 + y^2/xy Thanks

It depends whether the sun can still interact gravitationally (be attracted) when the gravitational pull is turned off. If it can, as the sun 'sends' the gravitational pull at the last instant the Earth will send one too at the same instant which is of the same magnitude, causing there to be no...

The question is unclear to me. I can see why there is always going to be an 'unsatisfying' answer. What is supposed to be asked then? How? :biggrin: I think I was confused with Newton's third law mostly by thinking that the two forces cancel each other and therefore give no net force on...

I think its beginning to come clear to me now... So when I put felt on my shoes I move because the static friction between the table and the floor is greater than that of the friction of my shoes on the floor?

Why does it move when I push it then?

Ahhhh I see so they're both kind of independent and each object will act accordingly depending on its mass etc... Funny how my Maths teacher is making me think about Newton's laws more than my Physics one. So are the forces exerted on each equal? If so can you work out how it moves with F=ma?

A discussion my maths teacher brought up today arguing that the Newton's Third Law pair of pushing on the table and the table pushing against the person should cancel each other out. So there should be no resultant force and it should not move. I argued it was to do with F=ma so if the...