Some people might argue that if we throw something against a wall and it comes to a stop momentum hasn’t been conserved. This is incorrect as…
Tag: Refutation Text
EM Refutation Question #2
F=Bqv suggests that a charge moving a magnetic field will always experience a force but this is not correct because…
Mechanics Refutation Question #16
Students typically assume friction always acts in the opposite direction to motion. However…
Mechanics Refutation Question #1
Some people think that rockets push against the ground as they take off but really…
Mechanics Refutation Question #17
You might assume that kicking a concrete football would hurt less on the moon because it’s lighter, however…
Mechanics Refutation Question #2
A typical GCSE level understanding of balanced forces allows a person to sit on a chair made of jelly. This is false because…
Mechanics Refutation Question #3
Some people think that it would be safer to hit a 1000 tonne concrete block at 30mph in a tank than in a modern car but actually…
People often assume that when a car turns a sharp corner this creates a force throwing them outwards, in reality…
It is sometimes assumed that electric fields only exist close to charged objects but…