Show your work- ie. What you did to calculate the answer. Remember units!
1. You have a lever with a mechanical advantage of 8. If you are lifting a rock that weighs 400 N, what is the force you must apply to the lever? (2 marks)
1. You have a lever with a mechanical advantage of 8. If you are lifting a rock that weighs 400 N, what is the force you must apply to the lever? (2 marks)