What is the net torque produced on a beam by a 5 N weight 2 m from the fulcrum to the left and a 10 N weight 4 m from the fulcrum to the right? A: 30 N m
B: 50 N m
C: -30 N m
D: -50 N m

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.