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#1
Q: State Newton's First Law of Motion.
A: An object remains at rest or in uniform motion unless acted on by an external force.
#2
Q: Formula for force?
A: F = ma (Force = mass × acceleration).
#3
Q: What is acceleration?
A: The rate of change of velocity per unit time. Units: m/s².
#4
Q: What is the unit of force?
A: Newton (N).
#5
Q: What is free fall?
A: Motion under gravity alone; acceleration ≈ 9.8 m/s² on Earth.
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