Waec Physics 2015 Past Questions and Answers

Question 6:

• WAEC 2015

An object floats in a fluid when it displaces it's

A. Volume of liquid in which it floats
B. Mass of fluid in which it foats
C. Weith of fluid in which it foats
D. Density of fluid in which it foats

Question 7:

• WAEC 2015

The resultant force in a couple is

A. Zero
B. Infinite
C. The sum of the forces
D. Thr product of the forces

Question 8:

• WAEC 2015

The slope of a straight-line velocity-time graph represents

A. Uniform acceleration
B. Uniform speed
C. Total distance travelled
D. Workdone

Question 9:

• WAEC 2015

A body is projected with an initial velocity U at an angle O to the horizontal. The time taken by it to reach its maximum height is given by the expression

A. \(\frac{2u \text{sin}\theta}{g}\)
B. \(\frac{u^2 \text{sin}^2\theta}{2g}\)
C. \(\frac{u \text{sin}\theta}{g}\)
D. \(\frac{u \text{sin}\theta}{2g}\)

Question 10:

• WAEC 2015

Which of the following statements describes a body in a stable equilibrium correctly?

A. A person walking on a tight-rope
B. Ball on a smooth horizontal table
C. Ball resting on an inverted hemisphere bowl
D. Ball in the middle of a nemispherical bowl