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lan's explanation more appropriate/correct?

lan's explanation more appropriate/correct?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Four students are arguing over why the kids keep falling in the video. lan says "When the child kicks the ball, the ball is more massive than the child's foot, so the force of the ball on the foot is greater than the force of the child's foot on the ball. According to Newton's 2nd Law, this unbalanced force propels the child's foot backwards and the child falls." Tammy says, "According to Newton's 3rd law, the force on the ball and the force on the foot are equal and opposite, so the reason the child falls is that the child is lighter than the ball." Jordan says "According to Newton's 1st law, since the child is in motion they will want to stay in motion. When the force of the ball acts on the foot, the foot stops unexpectedly, and the child falls forward because inertia keeps the rest of the child's body in motion." David says "According to Newton's 1st law, the ball is at rest and wants to stay at rest. When the child kicks the ball, Newton's 2nd law says the force of gravity keeps it still, and Newton's 3rd law means the reaction force of gravity flips the child's foot up in the air and flips them." What change in reasoning would make lan's explanation more appropriate/correct? O If the unbalanced force propelled the child's foot forward. If the child fell because their body was propelled forwards by the unbalanced force. If the force of the ball on the foot was less than the force of the foot on the ball. O If the force on the foot and the force on the ball were equal.
Transcribed Image Text:Four students are arguing over why the kids keep falling in the video. lan says "When the child kicks the ball, the ball is more massive than the child's foot, so the force of the ball on the foot is greater than the force of the child's foot on the ball. According to Newton's 2nd Law, this unbalanced force propels the child's foot backwards and the child falls." Tammy says, "According to Newton's 3rd law, the force on the ball and the force on the foot are equal and opposite, so the reason the child falls is that the child is lighter than the ball." Jordan says "According to Newton's 1st law, since the child is in motion they will want to stay in motion. When the force of the ball acts on the foot, the foot stops unexpectedly, and the child falls forward because inertia keeps the rest of the child's body in motion." David says "According to Newton's 1st law, the ball is at rest and wants to stay at rest. When the child kicks the ball, Newton's 2nd law says the force of gravity keeps it still, and Newton's 3rd law means the reaction force of gravity flips the child's foot up in the air and flips them." What change in reasoning would make lan's explanation more appropriate/correct? O If the unbalanced force propelled the child's foot forward. If the child fell because their body was propelled forwards by the unbalanced force. If the force of the ball on the foot was less than the force of the foot on the ball. O If the force on the foot and the force on the ball were equal.
Four students are arguing over why the kids keep falling in the video. lan says "When the child kicks the ball, the ball is more massive than the child's foot, so the force of the ball on the foot is greater than the force of the child's foot on the ball. According to Newton's 2nd Law, this unbalanced force propels the child's foot backwards and the child falls." Tammy says, "According to Newton's 3rd law, the force on the ball and the force on the foot are equal and opposite, so the reason the child falls is that the child is lighter than the ball." Jordan says "According to Newton's 1st law, since the child is in motion they will want to stay in motion. When the force of the ball acts on the foot, the foot stops unexpectedly, and the child falls forward because inertia keeps the rest of the child's body in motion." David says "According to Newton's 1st law, the ball is at rest and wants to stay at rest. When the child kicks the ball, Newton's 2nd law says the force of gravity keeps it still, and Newton's 3rd law means the reaction force of gravity flips the child's foot up in the air and flips them." What change in reasoning would make Tammy's explanation more appropriate/correct? O The reason the child falls is the ball is lighter than the child The force of the ball on the foot is greater O The force of the foot on the ball is greater O None of the above
Transcribed Image Text:Four students are arguing over why the kids keep falling in the video. lan says "When the child kicks the ball, the ball is more massive than the child's foot, so the force of the ball on the foot is greater than the force of the child's foot on the ball. According to Newton's 2nd Law, this unbalanced force propels the child's foot backwards and the child falls." Tammy says, "According to Newton's 3rd law, the force on the ball and the force on the foot are equal and opposite, so the reason the child falls is that the child is lighter than the ball." Jordan says "According to Newton's 1st law, since the child is in motion they will want to stay in motion. When the force of the ball acts on the foot, the foot stops unexpectedly, and the child falls forward because inertia keeps the rest of the child's body in motion." David says "According to Newton's 1st law, the ball is at rest and wants to stay at rest. When the child kicks the ball, Newton's 2nd law says the force of gravity keeps it still, and Newton's 3rd law means the reaction force of gravity flips the child's foot up in the air and flips them." What change in reasoning would make Tammy's explanation more appropriate/correct? O The reason the child falls is the ball is lighter than the child The force of the ball on the foot is greater O The force of the foot on the ball is greater O None of the above
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