Question

Help me I will give medals. http://gyazo.com/ac2e405b19778802ab8c1899fa29aa1c

Answer 1

Hint:
we have to use the decomposition of the weight force, as below:

here we have:
\[\begin{gathered}
F = m \times g \times \sin \theta \hfill \\
g = 9.81,\;m = {\text{mass}} \hfill \\
\end{gathered} \]

Answer 2

Hint:

we have:
R=F