M2.1 Foundations of physics Flashcards
1
Q
how to calculate the horizontal component of a vector
A
cos(O) = horizontal/ vector
horizontal = cos(O)*vector
2
Q
how to calculate the vertical component of a vector
A
sin(O) = vertical/ Vector
vertical = sin(O)*vector
3
Q
On a slope what is the triangle drawn
A
line parallel to the slope
line perpendicular to the slope
line direcly down
angle at the top = to incline angle
4
Q
What does it mean if a quantity is dimentionless
A
They have no units
