Waec Physics 2010 Past Questions and Answers

Question 6:

• WAEC 2010

Which of the following statements about static friction is correct? It

A. Is independent of the nature of the surface in contact
B. Depends on the area of surface in contact
C. Depends on the relative motion between the surface in contact
D. Depends on the weight of the moving body

Question 7:

• WAEC 2010

Which of the following statements about moving particle is correct?

A. If the resultant force acting on the particle is zero, then it is in dynamic equillibrium
B. If the resultant force acting on the acting on the particle is greater than zero, then it is moving with a uniform velocity
C. The rate of change of its momentum with time tales place in a direction opposite to that of its motion
D. The particle falling freely covers equal distances in equal time interval

Question 8:

• WAEC 2010

Two cars X and Y travelling in opposite directions along the same high way at uniform velocities 110 kmh^-1 and 90kmh^-1 respectively pass each other at a certain point. The velocity of X relative to Y at the time they pass each other is

A. 200 kmh^-1
B. 100 kmh^-1
C. 40 kmh^-1
D. 20 kmh^-1

Question 9:

• WAEC 2010

The average speed of an object is determined by dividing the sum of its initial and final speeds by two only when the acceleration is

A. Changing
B. Uniform
C. Increasing
D. Decreasing

Question 10:

• WAEC 2010

a body is projected horizonatlly from the top of a cliff 45m above the ground. if the body lands at a distance 30m from the foot of the cliff, calculate the speed of projection. [g = 10ms^-2]

A. 10ms^-1
B. 15ms^-1
C. 20ms^-1
D. 30ms^-1