Solve the problem.
-A force of $629 \mathrm { lb }$ is required to pull a boat up a ramp inclined at $21.0 ^ { \circ }$ with the horizontal. How much does the boat weigh?
A) $2350 \mathrm { lb }$
B) $587 \mathrm { lb }$
C) $608 \mathrm { lb }$
D) $1760 \mathrm { lb }$

Question

Quizplus · Accepted Answer

The force required to pull the boat up the ramp is the component of the boat's weight parallel to the ramp. This is given by $ W \sin(21^\circ) = 629 \mathrm{lb} $. Solving for $ W $, we get $ W = \frac{629}{\sin(21^\circ)} \approx 1760 \mathrm{lb} $.

Solve the Problem 629lb629 \mathrm { lb }629lb Is Required to Pull a Boat Up a Ramp Inclined

Solve the Problem $629 \mathrm { lb }$ Is Required to Pull a Boat Up a Ramp Inclined