Answer:
Force Resistance ≈ 69.10 lbs
Step-by-step explanation:
To calculate the force resistance in a class two lever, you can use the lever formula:
Force Effort × Distance Effort = Force Resistance × Distance Resistance
In this case:
Force Effort = 31.2 lbs
Distance Effort (x) = 15.7 ft
Distance Resistance (y) = 7.1 ft
You need to solve for Force Resistance (FR). Rearrange the formula:
Force Resistance = (Force Effort × Distance Effort) / Distance Resistance
Now, plug in the values:
Force Resistance = (31.2 lbs × 15.7 ft) / 7.1 ft
Force Resistance ≈ (490.64 lbs.ft) / 7.1 ft
Force Resistance ≈ 69.10 lbs
So, the Force Resistance in this class two lever is approximately 69.10 pounds (lbs).