A force is applied to the end of a 2.0 ft long uniform board weighing 50. lb, in order to keep it horizontal, while it pushes against a wall at the left. If the angle the force makes with the board is 30° in the direction shown in Figure 8-6, what is the applied force F?

A) 29. lb
B) 58. lb
C) 32. lb
D) 50. lb
E) 90. lb

Question

A force is applied to the end of a 2.0 ft long uniform board weighing 50. lb, in order to keep it horizontal, while it pushes against a wall at the left. If the angle the force makes with the board is 30° in the direction shown in Figure 8-6, what is the applied force F?
 
A) 29. lb 
B) 58. lb 
C) 32. lb 
D) 50. lb 
E) 90. lb

Quizplus · Accepted Answer

The Answer of A force is applied to the end of a 2.0 ft long uniform board weighing 50. lb, in order to keep it horizontal, while it pushes against a wall at the left. If the angle the force makes with the board is 30° in the direction shown in Figure 8-6, what is the applied force F?
 
A) 29. lb 
B) 58. lb 
C) 32. lb 
D) 50. lb 
E) 90. lb

A Force Is Applied to the End of a 2