Post Utme Physics Past Questions and Answers

Question 1266:

Which of the following is not true about an object that is projected upwards at angle \(\theta\)

A. The velocity is maximum at the maximum height
B. The acceleration along the horizontal direction is zero
C. The maximum range \(\left(R_{\max }\right)\) for an object moving with speed \(u\) is given by \(\frac{u^{2}}{g}\)
D. The time it takes to get the maximum height is equal to the time it takes to come back to the point of projection

Question 1267:

When three coplanar non-parallel forces are in equilibrium. i. they can be represented in magnitude and direction by the three sides of a triangle taken in order. ii. The lines of action meet at a point iii. The magnitude of any one force equals the magnitude of the resultant of the other two forces. iv. Any one force is the equivalent of the other two.
Which of the following statements above are correct?

A. I and iii only
B. I and ii only
C. I, ii, iii, and iv
D. None of them

Question 1268:

Which of the following statements is not TRUE about a body performing simple harmonic motion?

A. The linear speed is the product of the angular speed and the radius or amplitude
B. The linear acceleration is the product of the square of the angular speed and the displacement
C. Frequency is the number of complete revolution per second made by a vibrating body
D. The SI unit of amplitude is Hertz(Hz)

Question 1269:

If the force of gravity on an object of mass \(M\), the gravitational field strength, \(g\), is given by the following equation.

A. \(g=\sqrt{M F}\)
B. \(g=M F\)
C. \(g=M \sqrt{F}\)
D. \(g=\frac{F}{M}\)

Question 1270:

Which of these is not a fundamental S.I. unit

A. Ampere
B. Kelvin
C. Seconds
D. Radians