A 100 Kg Mass, Initially at Rest, Is Blown Apart

question 86

Multiple Choice

A 100 kg mass, initially at rest, is blown apart into a 60 kg piece and a 40 kg piece. After the blast, the two masses are moving apart with a relative velocity of 60 m/s. The speed of the 60 kg mass is

• A) 88 m/s.
• B) 67 m/s.
• C) 51 m/s.
• D) 40 m/s.
• E) 24 m/s.

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Definitions:

Lubrication Breakdown

Lubrication breakdown is the failure of a lubricant to perform its intended function of reducing friction and wear between moving parts, often due to contamination, overheating, or depletion.

Fatigue

Literally tired but used to describe components that have been worn out by old age.

Shock-Load

A sudden and extreme force or stress applied to a mechanical system or component.

Synthetic Gear Lubes

Lubricants made from chemical compounds providing superior protection and performance over traditional oils in gearbox applications.