A weightlifter lifts a weight of 500N from the ground over her head, a distance of 1.8m. How much work has been done to move the weight?
work = force * distance = mgh
To calculate the work done to move the weight, you need to use the formula:
Work = Force x Distance
In this case, the force is the weight lifted, which is 500N, and the distance is the height it was lifted, which is 1.8m. Plug these values into the formula to find the work done:
Work = 500N x 1.8m
Work = 900 joules
Therefore, the work done to move the weight is 900 joules.