Dynamics A Level Force Questions

[raamishstuden]

Homework Statement

Two bodies P and Q having masses Mp and Mq respectively exert forces on each other and have no other forces acting on them. The force acting on P is F which gives P an acceleration a.Which of the following pairs is correct?

Magnitude of force on Q Magnitude of acceleration of Q

A. Mq/Mp*F a
B. Mp/Mq*F a
C. F a
D. F Mp/Mq*a
E. F Mq/Mp*a

Homework Equations

F=ma

The Attempt at a Solution

Magnitude of Force on Q: F because of Newton's third law
Magnitude of acceleration: a

 

[vela]

Can you explain your reasoning for choosing that answer? Otherwise, for all we know, you just guessed, which doesn't exactly qualify for attempting to solve the problem yourself.