Here are the answers to your questions:
Question 10: If Ms. Vetter does not have enough _____________, she can use a simple machine to help her lift the cage off the ground and into her car.
- Answer: a. mechanical advantage
Question 11: How does a pulley help transfer mechanical energy?
- Answer: a. it spreads the load out over two sides, making the load feel lighter
Question 12: A lever consists of a bar that pivots on a fixed point called a:
- Answer: b. fulcrum