Physics 2006 Objective — Question 1
Which of the following is a fundamental unit
- A. Newton
- B. Watt
- C. Joule
- D. secondCorrect
Explanation
The second is an SI base (fundamental) unit; the others are derived units.
Post-UTME Physics 2006 Objective Past Questions
All 5 questions from the Post-UTME Screening (Post-UTME) Physics 2006 Objective paper, with the correct answer and a full explanation for each. Free, no signup needed.
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Physics 2006 Objective — Question 2
A car moving with a speed of 90km/h was brought uniformly to rest by the application of the brakes in 10s. How far did the car travel after the brakes were applied?
- A. 125mCorrect
- B. 150m
- C. 250m
- D. 15km
Explanation
90km/h = 25m/s. Distance = average speed x time = (25+0)/2 x 10 = 125m.
Physics 2006 Objective — Question 3
To keep a vehicle moving at a constant speed v, requires power P from the engine. The force provided by the engine is
- A. P/vCorrect
- B. 1/2v
- C. Pv
- D. P/v^2
Explanation
Force = Power/velocity = P/v.
Physics 2006 Objective — Question 4
An inclined plane which makes an angle of 30 degrees with the horizontal has a velocity ratio of
- A. 2Correct
- B. 1
- C. 0.866
- D. 0.5
Explanation
Velocity ratio = 1/sin(30) = 1/0.5 = 2.
Physics 2006 Objective — Question 5
A stone of mass mkg is held in metres above the floor for 50s. The work done in Joules over this period is
- A. mh
- B. mgh
- C. 0Correct
- D. mgh/50
Explanation
Since the stone remains stationary (no displacement), the work done is zero.
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