Final answer:
To determine the amount of foot-pounds of work done, multiply the weight from the scale reading by 1 foot. The difference between lifting and pulling a box is the force you work against when lifting, which is the force of gravity. When lifting and pulling another object, compare the scale reading weights to find the difference.
Step-by-step explanation:
When determining the amount of work done, you need to multiply the force applied by the distance it is applied over. In this case, the force is the weight recorded on the scales, and the distance is 1 foot. So, to find the amount of foot-pounds of work done, you simply multiply the weight from the scale reading by 1 foot.
The difference between the amount of foot-pounds required to lift the box and to pull the box is the force you are working against when you lift the object. When you lift the box, you are working against the force of gravity. Pulling the box across a surface requires less force because you are not working against gravity.
When you lift and pull another object, you can find the difference in foot-pounds between lifting and pulling by following the same process as before. Compare the weight from the scale reading when lifting and pulling the object, and subtract the lifting weight from the pulling weight to find the difference.
In conclusion, when lifting an object, you are working against the force of gravity, while pulling an object across a surface requires less force because you are not working against gravity.