Use Figure 13-9a as a visual. What is the reason mechanical advantage is useful

Question

Use Figure 13-9a as a visual. What is the reason mechanical advantage is useful for making devices like hydraulic lifts? 0 Because the pressure is equal at equal height in a fluid, it allows a small input force to result in a large output force. 0 Because the pressure is equal at equal heights in a fluid, it allows a large input force to result in a small output force. O Because the pressure is higher on the side with the larger area, it allows a small input force to result in a large output force O Because the pressure is lower on the side with the larger area, it allows a small input force to result in a large output force. OBecause the pressure is higher on the side with the larger area, the forces on each side are the same

Explanation / Answer

Because pressure is equal at equal heights in fluids , it allows a small input force in a large output force


F1/A1 = F2/A2 = pressure

apply small force on small area will give large force on large area  

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