Answer:
a) 2
b) 160 lb
Explanation:
A wedge is a triangular tool made up of wood, metal, stone or plastic.
Given that:
length (L) = 6 inches, height (H) = 3 inches and The effort load applied is 80 lb.
a) Mechanical advantage = Length / Height.
Substituting values:
Mechanical advantage = 6 inches / 3 inches = 2
Mechanical advantage = 2
b) Mechanical advantage = Load / effort
Load = mechanical advantage × effort
Load = 2 × 80 lb = 160 lb
Drip irrigation
Drip irrigation is one of the most efficient types of irrigation systems. The efficiency of applied and lost water as well as meeting the crop water need ranges from 80% to 90%
Answer:
D
Explanation:
Copy all elements of b into a