Question

. One of the rectangular components of a force of 40 N is 20 N. Find the angle it makes with his component ​

Answer 1

$\: \: \: \: \: \: \: \: \: \: \: \: a \: cos \theta = component \:$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 40 \times cos \theta \: = 20$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: cos \theta = \frac{20}{40} = \frac{1}{2}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: cos \theta \: = cos60$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\: \: \: \pink {\boxed{ \bold \green{ \: \: \theta \: = 60 \degree}}}$