AFOQT exam 2023 with 100% correct answers

Mark is trying to move a 180 lb box with a 7 ft long plank of wood. He puts a pyramid- shaped block under the plank for it to pivot on. How much force must he use to move the box if it is 2 feet away from the block? - correct answer 72 lbs. Migra is the root word for: - correct answer wander Heather and Joan are sitting on a seesaw which is balanced. Heather weighs 140 lbs and Joan weighs 107 lbs. If Joan is seated 5.5 feet away from the pivot of the seesaw, how far away is Heather from the pivot? - correct answer 4.2 ft Mark is trying to move a 180 lb box with a 7 ft long plank of wood. He puts a pyramid- shaped block under the plank for it to pivot on. How much force must he use to move the box if it is 2 feet away from the block? - correct answer 72 lbs Lisa weighs 98 lbs and sits 3.5 feet away from the fulcrum of a seesaw. Her friend Kelly weighs 83 lbs. How far away from the fulcrum must Kelly sit for the seesaw to be balanced? - correct answer 4.1 ft Kyle placed 3 jars weighing 20 kg, 14 kg and 5 kg on one side of a metal plank 3 ft, 3.8 ft and 4.2 ft away from the fulcrum respectively. How far should he place a 31 kg bag of sugar from the fulcrum so that the plank is balanced. - correct answer 4.3 ft If the circumference of a screw is 3.5 inches, what is its diameter? - correct answer 1.1 inches On a screw that has a circumference of 2.5 cm, there are 7 threads per inch. What is the mechanical advantage of the screw? - correct answer 17.5 which of the following statements is false? - correct answer A two-stroke engine has low torque compared to a four-stroke engine.