Waec Physics 2014 Past Questions and Answers

Question 1:

• WAEC 2014

A ball falling through a viscous liquid is acted upon by

A. Upthrust only
B. Upthrust and the ball's weight
C. The ball's weight and viscous force
D. Upthrust, the ball's weight and viscous force

Question 2:

• WAEC 2014

A ball falling through a viscous liquid is acted upon by

A. Upthrust only
B. Upthrust and the ball's weight
C. The ball's weight and viscous force
D. Upthrust, the ball's weight and viscous force

Question 3:

• WAEC 2014

An object of mass m moves with a uniform speed v round a circular path of radius r. If its angular speed is \(\omega\), the magnitude of the centripetal force acting on it is

A. \(m \omega^2 r\)
B. \(\frac{mv^2}{r}\)
C. \(m \omega r\)
D. \(\frac{mv^2}{r^2}\)

Question 4:

• WAEC 2014

When an elastic material is stretched by a force, the energy stored in it is

A. Kinetic
B. Potential
C. Thermal
D. Electrical

Question 5:

• WAEC 2014

When the linear momentum of a body is constant, the net force acting on it

A. Is zero
B. Increases
C. Decreases
D. Remains constant