1) Which statement defines a pulley ? a) consists of a grooved wheel that can move freely b) a wheel that is mounted on a rod called an axle c) a wheel with teeth  d) a slanted flat surface with both ends placed at different heights 2) Which of the following is not a pulley? a) b) c) d) 3) How can pulley be used to help us ? a) to move or rotate an object b) used for lifting, lowering or pulling a load c) used to split, cut, hold or stop objects d) to change the direction and speed of movement 4) What simple machine is this? a) gear b) pulley c) inclined plane d) wheel and axle 5) Which of the following object does not function as wheel and axle? a) b) c) d) 6) A screwdriver's function is similar to _______________ a) b) c) d) 7) What is the uses of wheel and axle? a) for lifting, lowering or pulling a load b) to split, cut or stop objects c) to move or rotate an object d) change the direction and speed 8) Which of the objects below functioned similar to a hoe ? a) b) c) d) 9) A wedge is used to __________________________. a) to split, cut or stop objects b) to move or rotate an object c) to tighten two pieces of objects d) to move a load to a higher level 10) What simple machine can be found in a wristwatch a) pulley b) gear c) pulley d) lever

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