A winding road up a mountain is an example of which simple machine? a) Lever b) Pulley c) Inclined Plane d) Wheel and Axle Answer: c) Inclined Plane In a Class I lever, what is located between the effort and the load? a) Fulcrum b) Effort c) Load d) Axle Answer: a) Fulcrum Which of the following is an example of a Class II lever? a) See-saw b) Fishing rod c) Wheelbarrow d) Pair of tongs Answer: c) Wheelbarrow A single fixed pulley has a mechanical advantage of: a) 0 b) 1 c) 2 d) 4 Answer: b) 1 What is the primary function of a screw? a) To lift heavy loads vertically b) To hold things together c) To change the direction of force d) To multiply speed Answer: b) To hold things together If the effort arm of a lever is 10 m and the load arm is 2 m, what is the mechanical advantage? a) 2 b) 5 c) 8 d) 20 Answer: b) 5...