Name a device by which heavy loads of iron steel and iron scrap can be lifted.

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Solution

A magnetic crane is used to load and transport scrap iron.
It is a powerful electromagnetic current passing through a large iron disc.
In this way the large disk becomes a powerful magnet and the scrap iron is attracted to it, which can be easily loaded and carried.

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Similar questions

Name the force applied in each of the following actions :

No.	Action	Force applied
1.	A bullock pulling a cart
2.	A crane lifting a heavy iron load.
3.	Weighing something on a spring balance.
4.	Applying the brakes on a bicycle.
5.	Picking up paper scraps with a plastic ruler.

We can use an electromagnet to lift very heavy iron loads

1. Industrial use	a. Study of magnetic properties under magnetic field
2. Scientific use	b. Removing pieces of iron from wounds
3. Medical use	c. To separate iron filaments from other waster
4. Easiest method	d. Lifting and transporting heavy loads of iron mass

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