Question

how do we know which is the vertical component and which is horizontal.​

Answer 1

Answer:

the component which forms the 180 degree angle with the object is horizontal component and the component forming 90degree angle or Φ angle is vertical component.

Answer 2

Answer:

Depends upon which angle u are selecting..for any angle xcosA is horizontal component and xsinA is a vertical component.

Hope u understand!!

THNKS!