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18 sty 2022 · A wheel and axle is a simple machine consisting of a round disc and a long rod. The disc is known as the wheel, and the rod attached to the wheel is the axle. It executes a rotational motion and is used for many purposes.
The six simple machines are pulleys, levers, wedges, inclined planes, screws and wheels & axles. Compound machines have two or more simple machines that when used together make work easier. A pulley is a variation of a wheel and axle in which a rope or cord is stretched over a wheel to make it rotate as the rope is pulled.
Some wheels and axles move together as one piece and act as simple machines. If you apply a turning force on the outside of the wheel, then there is a much greater force applied to turning the axle. An example of this type of wheel and axle is a water wheel. With a water wheel, the water pushes on the wheel and the wheel
WHEEL AND AXLE A wheel with a rod (called an axle) through its centre that lifts or moves loads. This reduces friction and allows an object to move smoothly. Cars and doorknobs are examples of this machine. PULLEY A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load. The more wheels and rope you use, the
WHEEL AND AXLE A wheel with a rod, called an axle, through its center: both parts move together to help us move a heavy load with less effort. MATERIALS • A toy car that has removable wheels and axle • Several heavy boxes • 2 skateboards • Plywood (large enough to hold a heavy box or a student) STEPS
Simple Wheel and Axle A simple wheel and axle is shown in Fig. 4. The load is applied to the smaller diameter axle and the effort to the wheel. The wheel and axle ropes are wound in opposite directions. Figure 4 Wheel and Axle If the radius of wheel = R (diameter = D) radius of axle = r (diameter = d)
In this unit, students will identify simple machines—the ramp (inclined plane), wheel and axle, pulley, lever, wedge, screw, and gears. Students will explore where these devices are found and experience how they can make a given task easier. Students will also learn that simple machines are combined to
