Physics 2008 Jamb Past Questions and Answers

Question 41 :

• JAMB 2008

A body of mass 4 kg resting on a smooth horizontal plane is simultaneously acted upon by two perpendicular forces 6N and 8N. Calculate the acceleration of the motion

A. 2.5 ms^-1
B. 3.0 ms^-1
C. 4.0 ms^-1
D. 4.5 ms^-1

Question 42 :

• JAMB 2008

THe diagram above shows a plank RS pivoted its center of gravity O and is in equilibrium with the weight P and Q. If a weight 2P is added to P the plank will be in equilibrium again by

A. Moving Q nearer to O
B. Moving P nearer to O
C. Addding a weight Q to Q
D. Moving P further away from O

Question 43 :

• JAMB 2008

The efficiency of the pulley system shown above is 80%. find the effort E required to lift the load of 1200N

A. 275N
B. 325N
C. 375N
D. 573N

Question 44 :

• JAMB 2008

The diagram above is the heating curve for a solid QR is the

A. Melting region
B. Boiling region
C. Sublimation region
D. Evaporating process

Question 45 :

• JAMB 2008

The above figure shows the motion of a progressive wave along a string. The particle motion of the medium is in direction

A. Parallel to OX
B. Parallel to OY
C. 60^o to OX
D. 60v to OY