To overcome friction …………… are used in machinery.

To overcome friction …………… are used in machinery.

A) dynamo

B) motor

C) wires

D) ball bearings

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

D) ball bearings

4 views Answered 2023-02-05 15:29

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