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Q: Which of the following is never alone in nature?
  • A. inertia
  • B. force
  • C. momentum
  • D. velocity
Correct Answer: Option B - Force is a vector quantity that is never found alone in nature. According to Newton Third Law of Motion– To every action (force) there is an equal and opposite reaction (reactive force). This indicates that there is atleast one reaction to the applied force that makes a pair of forces.
B. Force is a vector quantity that is never found alone in nature. According to Newton Third Law of Motion– To every action (force) there is an equal and opposite reaction (reactive force). This indicates that there is atleast one reaction to the applied force that makes a pair of forces.

Explanations:

Force is a vector quantity that is never found alone in nature. According to Newton Third Law of Motion– To every action (force) there is an equal and opposite reaction (reactive force). This indicates that there is atleast one reaction to the applied force that makes a pair of forces.