Two boxes are stacked on a table. The top box is 75 kg and the box on the bottom is 100 kg. a) What is the magnitude of the normal force on the top box?
b) What is the magnitude of the normal force exerted on the bottom box by the table?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

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.

)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force f⃗ on particle 0 due to particle 1?