Question 11 MarkWork done by a machine is always more than the work done on a machine.AnswerFalse. Work done by a machine is always less than the work done on a machine.View full question & answer→
Question 21 MarkA sewing needle is a wedge type simple machine.AnswertrueView full question & answer→
Question 31 MarkA rotation spindle tap is an example of a wheel-and-axle arrangement.AnswertrueView full question & answer→
Question 41 MarkA single movable pulley is a pulley that has its axis of rotation fixed.AnswerFalse. A single fixed pulley is a pulley that has its axis of rotation fixed.View full question & answer→
Question 51 MarkThe effort required to insert a screw into wood is less than that needed to insert a nail into wood.AnswertrueView full question & answer→
Question 61 MarkA screw is a special case of an inclined plane.AnswerTrue View full question & answer→
Question 71 MarkThe load and effort can act at a single point in a lever.AnswerFalse. The load and effort cannot act at a single point in a lever.View full question & answer→
Question 81 MarkThere are four types of simple machines.AnswerFalse. There are six types of simple machines.View full question & answer→