1) Identify which class of lever does this machine belongs to? a) Class one lever b) Class two lever c) Class three lever d) None 2) A ramp in a hospital is an example of - a) A wedge b) A lever c) An inclined plane d) A pulley 3) Identify the simple machine in this picture. a) A wedge b) A lever c) A screw d) Wheel and axle 4) A door knob is an example of a) A pulley b) A screw c) A wedge d) Wheel and axle 5) A simple machine helps us to a) Complete a task easily b) Increase the strength of force c) Increases the distance moved d) All of these 6) The weight of the object being moved in a lever is called a) Fulcrum b) Load c) Effort d) Thread 7) How many inclined planes are present in a wedge? a) two b) one c) four d) none 8) The handle of the screwdriver serves as the axle. a) True b) False 9) The axle is fixed in this type of pulley. a) Fixed pulley b) Movable pulley c) Compound pulley d) Simple pulley 10) As we go on increasing the number of pulleys, the amount of effort applied is a) less b) more c) same d) no effort

Simple machines

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