The largest blocks in the Great pyramid weigh 15 tons. Dragging such a block up a ramp with a mechanical advantage of 3 would require a force of 45,000. If 900,000 J of work was done on the block to move it up the ramp, neglecting friction, how far was the block moved?

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.