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Questions and Answers
Which of Newton's laws states that an object at rest will remain at rest, and an object in motion will continue moving with a constant velocity, unless acted upon by an external force?
Which of Newton's laws states that an object at rest will remain at rest, and an object in motion will continue moving with a constant velocity, unless acted upon by an external force?
- Second law
- First law (correct)
- Third law
- Fourth law
Which equation represents the relationship between displacement, initial velocity, time, and acceleration in 2D motion?
Which equation represents the relationship between displacement, initial velocity, time, and acceleration in 2D motion?
- v^2 = u^2 + 2as
- v = u + at
- s = ut + 1/2at^2 (correct)
- s = (u + v)t/2
Which of the following equations represents the work-energy theorem?
Which of the following equations represents the work-energy theorem?
- W = Pt
- W = mgh
- W = ΔKE (correct)
- W = Fd
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