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Which simple machine is used in lifting a load with crane?
A crane utilizes a combination of simple machines, but the primary one involved in lifting a load is the pulley. The pulley system allows the crane to lift heavy loads with relatively less effort by applying force over a distance.
Why are simple machines used?
they can help you like a pencil helps you write
What are the advantages of machines in human life?
Machines are made or designed to help men do jobs easier. even before they used simple machines to help them do heavy work such as pulleys and lever.
What is the purpose of using a simple or compound machine?
The purpose of using simple or compound machines is to make tasks easier by amplifying or redirecting the force applied to them. These machines allow humans to accomplish tasks that would otherwise be difficult, time-consuming, or even impossible without them. Here are some specific purposes of using simple or compound machines: Mechanical Advantage: Simple and compound machines provide a mechanical advantage, allowing users to apply less force over a greater distance to achieve the same work output. This is especially useful when lifting heavy objects, moving loads, or performing repetitive tasks. Efficiency: Machines can improve efficiency by reducing the work required to perform a task. Machines can achieve greater output with less input energy by leveraging principles such as leverage, pulleys, gears, or inclined planes. Safety: Machines can enhance safety by minimizing the risk of injury or strain associated with manual labor. For example, using a lever or a pulley system to lift heavy objects can reduce the risk of back injuries. Automation: Compound machines, such as complex mechanical systems or industrial machinery, automate repetitive tasks, increasing productivity and freeing humans from performing mundane or dangerous work. Precision and Control: Machines can provide precise control over movements or processes, allowing for accurate manufacturing, construction, or other applications where precision is crucial. Overall, the purpose of using simple or compound machines is to enhance human capabilities, improve efficiency, and enable the accomplishment of tasks that would otherwise be challenging or impractical to perform manually.
How did egyptians use simple machines to build the pyramids?
go on http://www.fi edu/qa97/spotlights3 or http;//www.mos.org/s1n/leonardo/inventorstoolbox.html
