give some examples of a force can stop a moving body.
Answers
The one I like the best, which is probably the most dramatic and effective, is using the earth’s atmosphere to slow an incoming spaceship down to practically zero, without burning it to cinders along with everybody inside. That was probably the greatest glory of the Apollo moon missions! It had to be spot on exact, all the way from the backside of the moon and out of sight and sound.
The one I like the best, which is probably the most dramatic and effective, is using the earth’s atmosphere to slow an incoming spaceship down to practically zero, without burning it to cinders along with everybody inside. That was probably the greatest glory of the Apollo moon missions! It had to be spot on exact, all the way from the backside of the moon and out of sight and sound.Apollo 10 had the fastest reentry speed at 36,397 ft/s (11.094 km/s). That’s almost twenty times that of a speeding bullet. Once the space capsule slows down sufficiently, the air again absorbed the remaining couple of hundred miles an hour by using parachutes for a nice, relatively soft splashdown.
The one I like the best, which is probably the most dramatic and effective, is using the earth’s atmosphere to slow an incoming spaceship down to practically zero, without burning it to cinders along with everybody inside. That was probably the greatest glory of the Apollo moon missions! It had to be spot on exact, all the way from the backside of the moon and out of sight and sound.Apollo 10 had the fastest reentry speed at 36,397 ft/s (11.094 km/s). That’s almost twenty times that of a speeding bullet. Once the space capsule slows down sufficiently, the air again absorbed the remaining couple of hundred miles an hour by using parachutes for a nice, relatively soft splashdown.Mars is harder because the air is too thin; when the Curiosity lander’s chutes were deployed it was still traveling 1,800 mph (2,640 ft/s); the parachute slowed the lander down to about 280 mph (411 ft/s), and at that point retrorockets kicked in and slowed the craft down to a dead stop right at the surface of Mars. It was much more complicated than any other landing ever attempted in the past. This was necessitated because Mars’ atmosphere is not dense enough to slow down the heavy lander, so the novel “Sky Crane” landing strategy was invented — and it worked!
Answer:
The stopping of a moving football by a goalkeeper demonstrates that a force can stop a moving object. 3)A cricket ball moving on the ground stops automatically after some time. The force of friction of ground stops the moving cricket ball. 4)The force of brakes can stop a moving car
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