Post-UTME Physics 2010 Objective — Question 2
Question 2 of 10 from the Post-UTME Screening (Post-UTME) Physics 2010 Objective paper, with the correct answer and a full explanation.
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A body of mass 50kg slides down freely in a frictionless plane which is inclined at an angle of 30° to the horizontal. What force is pushing the body down the incline?
- A. 542N
- B. 200N
- C. 245NCorrect
- D. 50N
Explanation
Force = mg sinθ = 50×9.8×sin30° = 245N.
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