9000038703

SubArea:

Level:

Project ID:

9000038703

Accepted:

Clonable:

Easy:

The box is on the slope as in the picture. The angle of the slope is

α

. The forces acting on the box are the force of gravity

\vec{F_{G}}

and the friction

\vec{F_{t}}

. The force of gravity can be replaced by two components

\vec{F_{1}}

and

\vec{F_{n}}

. (The force

\vec{F_{1}}

is parallel to the slope and

\vec{F_{n}}

is perpendicular to the slope.) Find

F_{p}

F_{p} = F_{G} \cos α

F_{p} = \frac{F_{G}}{\cos α}

F_{p} = F_{G} tg α

F_{p} = \frac{F_{G}}{tg α}

F_{p} = F_{G} \sin α

F_{p} = \frac{F_{G}}{\sin α}

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