Jamb Physics 1985 Past Questions and Answers

Question 6:

• JAMB 1985

If a car starts from rest and moves with a uniform acceleration of 10ms^-2 for ten seconds, the distance it covers in the last one second of its motion is

A. 95m
B. 100m
C. 500m
D. 905m
E. 1000m

Question 7:

• JAMB 1985

A block of mass 2.04kg resting on a smooth horizontal plane is acted upon simultaneously by two-forces, 10N due North and 10N due East. The magnitude of the acceleration produced by the force on the block is

A. 0.10ms^-2
B. 7.07ms^-2
C. 10.00ms^-2
D. 14.10ms^-2
E. 20.00ms^-2

Question 8:

• JAMB 1985

A metal block of mass 5kg lies on a rough horizontal platform. If a horizontal force of 8N applied to the block through its center of mass just slides the block on the platform, then the coefficient of limiting friction between the block and platform is

A. 0.16
B. 0.63
C. 0.80
D. 1.60
E. 2.00

Question 9:

• JAMB 1985

Which of the following is NOT a force?

A. Friction
B. Tension
C. Upthrust
D. Weight
E. Impulse

Question 10:

• JAMB 1985

Two masses 40g and 60g respectively, are attached firmly to the ends of the light meter rule. The center of gravity of the system is

A. At the mid-point of the meter rule
B. 40cm from the lighter mass
C. 40cm from the heavier mass
D. 60cm from the heavier mass
E. Indeterninate because the meter-rule is light