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Science 5.7 & 5.8


_______ machines can be conmbined to make compound machines. Simple
An _________ is a sloping surface like a ramp. Inclined plane
A bicycle is a ____________ machine compound/complex
Example of an inclined plane that moves. Screw
All _____ increase the length of the rope to reduce the force needed to move an object. pulleys
A ramp, knife, screw, and screw lid are all examples of ________. inclined planes
A car is a ___________ machine. compound/complex
A _______ is a bar that is free to move around a fixed point called a fulcrum. lever
A wedge, lever, and wheel & axle are all ______ machines. simple
In a _______, the axle acts as the fulcrum and the rope is like a bar. pulley
A _________ is like a lever because it has a grooved wheel with a rope running along the groove. pulley
A block and tackle is an example of a _______. pulley
Machines make work __________ by decreasing the amount of forc required. easier
A flag pole and a block and tackle are all example of a ________. pulley
A hammer, pliers, scissors, and wheelbarrow are all examples of a _______. lever
The greater the distance of a ramp, the _______ amount of force is required to move an pbject. less
A ______________ is a device that makes doing work easier by reducing the amount of force required to move an object. simple machine
Created by: stanfillm