A uniform steel beam has a mass of 370 kg. On it is resting half of an identical beam, as shown in (Figure 1). a)determine the vertical support force at A. b) determine the vertical support force ar B. ​

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.