OTET · Mathematics and Science (Paper II)
Force, motion, work, energy and Newton's laws.
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Q1 · Force, Motion and Energy · MEDIUM
A student pushes a box of mass 15 kg across a floor with a constant force. If the box accelerates at 2.5 m/s², what is the magnitude of the net force applied on the box?
Q2 · Force, Motion and Energy · HARD
A 60 kg person stands on a weighing scale in an elevator. If the elevator accelerates upward at 2 m/s², what is the reading on the scale? (Take g = 10 m/s²)