If the load on a ball bearing is reduced to half, the life

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If the load on a ball bearing is reduced to half, the life of the ball bearing will

1. increase 8 times
2. increase 4 times
3. increase 2 times
4. not change

Correct Option: A

LP³ = C

⇒ L₁ P₁³ = L₂		P₁		³
		2

⇒ L₂ = 8L₁