GK
HUMAN RESOURCE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Because internal forces are capable of changing the form of energy without changing the total amount of mechanical energy, they are sometimes referred to as conservative forces.
Detailed explanation-2: -Internal forces are forces exchanged by the objects in the system. Internal forces may cause acceleration in different parts of the system but does not cause any acceleration in the center of mass of the entire system. Example: Friction is an external force if the body experiencing friction in the system.
Detailed explanation-3: -Compression is a pushing force that squeezes a material. This force often makes materials shorter. Tension is a pulling force that stretches a material. This force often makes materials longer. Torsion is a twisting or turning force. Bending is a force that makes a straight material curved.