Answer the following-
1.A screw is a wrapped around a central cylinder.
2. How does a simple machine make work easier?
3. How lifting a heavy object with a single fixed pulley and rope makes the task seem easier?
4. A pulley is most closely related to which other simple machine?
Plz answer all of them
Answers
Explanation:
1)A screw is a simple machine that consists of an inclined plane wrapped around a central cylinder. ... A: The inclined plane of the screw on the left consists of the ridges, or threads, that wrap around the central cylinder of the screw.
2)Simple machines make work easier for us by allowing us to push or pull over increased distances. A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load. A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
3) lifting a heavy object with a single fixed pulley and rope makes the task seem easier? Less force is needed to lift the object. Less work is done when moving the object. The direction of the force required to lift the object is changed.
4)Wheel and Axle
Wheel and AxleLever, Wheel and Axle, and Pulley | edHelper.com. The lever, the wheel and axle, and the pulley are three simple machines that have something in common. It's easy to see how the wheel and axle and the pulley are related; a pulley looks a lot like a wheel and axle with a rope over it.
Answer:
The ANSWER FOR THIRD ONE IS-
Less force is needed to lift the object less word is done when moving the object. The direction of the force required to lift the object is changed.
Hope it finds helpful
Mark me as a brainliest