IMSU Physics 2014/2015 Past Questions

Practice each question, then open it to see the full details.

If the angle between two vectors P and O is 0°, the vectors are said to

A.be perpendicular
B.be parallel
C.intersect at angle 60°
D.intersect.at angle 45°

A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500N is applied to lift a load P, what is the magnitude of P?

A.750N
B.4166N
C.500N
D.1500N

A body of mass 4kg is acted on by a constant force of 12N for 3 second. The kinetic energy gained by the body at the end of the time is

A.162J
B.141J
C.72J
D.81J

As the pressure of a fluid increases, its viscosity

A.decrease
B.remains constant
C.increases then decreases
D.increases

Fluorescent tubes produce light by the

A.refraction of light by gas molecules
B.excitation of gas molecules
C.conduction of solar energy
D.thermal agitation of electrons in tube