Why does a compass have a lightweight magnet and a frictionless bearing?

To allow the needle to turn easier

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To make it easier to carry

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To make the compass more affordable

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All of the above

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Solution

The correct option is A
To allow the needle to turn easier

A compass have a lightweight magnet and a frictionless bearing to allow the needle to turn easier. The lightweight magnet and a frictionless bearing will reduce friction and enhance movement of needle.

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Why does a compass have a lightweight magnet and a frictionless bearing?

The correct option is A To allow the needle to turn easier A compass have a lightweight magnet and a frictionless bearing to allow the needle to turn easier. The lightweight magnet and a frictionless bearing will reduce friction and enhance movement of needle.

The correct option is A
To allow the needle to turn easier

A compass have a lightweight magnet and a frictionless bearing to allow the needle to turn easier. The lightweight magnet and a frictionless bearing will reduce friction and enhance movement of needle.