A cart weighing 40 pounds is placed on a ramp incline 15 degrees to the horizon. The cart is held in place by a rope inclined 60 degrees to the horizontal. find the force that the rope must exert on the cart to keep it from rolling down the ramp.

Explanation:

Given

Inclination of ramp is

Rope is inclined to the horizontal

Weight of cart

from the diagram, rope is at angle of w.r.t ramp

Sine component of weight pulls down the cart Cosine component of force applied through rope held it at the position

seeing the graph would

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles