C/P MCAT 01

Question 1

Any acceleration is the result of the sum of the forces acting on the object and its mass

Answer 1

Newton’s second law

Question 2

Any two objects interacting with one another experience equal and opposite forces as a result of their interaction

Answer 2

Newton’s third law

Question 3

In uniform circular motion, the only force acting on the object is the?

Answer 3

centripetal force, acting radially inward

Question 4

In circular motion, where does the instantaneous velocity point?

Answer 4

tangentially

Question 5

what stays constant in isothermal processes?

Answer 5

temperature

Question 6

what stays constant in adiabatic processes?

Answer 6

there is no heat exchanged

Question 7

what stays constant in isobaric processes?

Answer 7

pressure

Question 8

what stays constant in isovolumetric or isochoric processes?

Answer 8

volume and the work done on or by the system is zero

Question 9

pascal’s principle states that?

Answer 9

pressure applied to an incompressible fluid will be distributed undiminished throughout the entire volume of the fluid.

Question 10

what effect shows that where fluid speed is greater and cross sectional area is small, pressure will be smaller?

Answer 10

venturi effect

Question 11

absolute pressure is equal to?

Answer 11

atmospheric pressure plus gauge pressure

Question 12

frequency of sound is dependent on only the

Answer 12

initial sound source and not medium

Question 13

what is the opposite of ultrasound?

Answer 13

infrasound