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You want to move your m = 21 kg spare tire from the floor onto the back of your pickup truck. The bed of your truck is h = 0.86 m above the floor. You have found a sturdy rope, and a strong plank to use as a ramp that is d = 2.8 m long. The coefficient of kinetic friction between the tire and the plank is u. Case 1 Case 2 Case 3

You want to move your m = 21 kg spare tire from the floor onto the back of your pickup truck. The bed of your truck is h = 0.86 m above the floor. You have found a sturdy rope, and a strong plank to use as a ramp that is d = 2.8 m long. The coefficient of kinetic friction between the tire and the plank is u. Case 1 Case 2 Case 3

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Answer parts c, d, e, f, and g please

You want to move your m = 21 kg spare tire from the floor onto the back of your pickup truck. The bed of your truck is h = 0.86 m above the floor. You have found a sturdy rope, and a strong plank to use as a ramp that is d = 2.8 m long. The coefficient of kinetic friction between the tire and the plank is u. to Iriction. W₁ = 176.99 (1). F₁ = 63.21 `h W3 = Case 1 Case 2 Part (a) What is the minimum work in Joules you will do in rolling the tire all the way up the ramp as shown in Case (1)? Neglect any losses due Case 3 = -1 Part (b) Calculate the size of the average force in Newtons that you must apply on the tire if you push in a direction parallel to the ramp? See Case Part (c) After a few unsuccessful tries, your friend suggests that you push the tire up the ramp by applying a horizontal force, as shown in Case (2). Calculate the work in Joules you will (hopefully) do in moving the tire up the ramp this way. Again, neglect any frictional losses. Part (d) Calculate the size of the average force in Newtons that you must apply on the tire if you push horizontally to roll it up the ramp. See Case (2). Part (e) In yet another desperate attempt, you think perhaps that it will be easier to pull the tire up the ramp. You put the tire on the ramp, tie your sturdy rope to the tire, and pull on the rope parallel to the ramp, as shown in Case 3. Calculate the work in Joules you will (hopefully) do in moving the tire up the ramp this way given µ = 0.335 Part (f) Considering Case 1, which of the following could you do to decrease the amount of work you do in moving the tire from the floor onto the bed of your pickup truck? Select the best response. Part (g) Again considering Case 1, which of the following could you do to decrease the amount of force you would need to apply to move the tire from the floor onto the bed of your pickup truck? Select the best response. All content © 2022 Expert TA, LLC
Transcribed Image Text:You want to move your m = 21 kg spare tire from the floor onto the back of your pickup truck. The bed of your truck is h = 0.86 m above the floor. You have found a sturdy rope, and a strong plank to use as a ramp that is d = 2.8 m long. The coefficient of kinetic friction between the tire and the plank is u. to Iriction. W₁ = 176.99 (1). F₁ = 63.21 `h W3 = Case 1 Case 2 Part (a) What is the minimum work in Joules you will do in rolling the tire all the way up the ramp as shown in Case (1)? Neglect any losses due Case 3 = -1 Part (b) Calculate the size of the average force in Newtons that you must apply on the tire if you push in a direction parallel to the ramp? See Case Part (c) After a few unsuccessful tries, your friend suggests that you push the tire up the ramp by applying a horizontal force, as shown in Case (2). Calculate the work in Joules you will (hopefully) do in moving the tire up the ramp this way. Again, neglect any frictional losses. Part (d) Calculate the size of the average force in Newtons that you must apply on the tire if you push horizontally to roll it up the ramp. See Case (2). Part (e) In yet another desperate attempt, you think perhaps that it will be easier to pull the tire up the ramp. You put the tire on the ramp, tie your sturdy rope to the tire, and pull on the rope parallel to the ramp, as shown in Case 3. Calculate the work in Joules you will (hopefully) do in moving the tire up the ramp this way given µ = 0.335 Part (f) Considering Case 1, which of the following could you do to decrease the amount of work you do in moving the tire from the floor onto the bed of your pickup truck? Select the best response. Part (g) Again considering Case 1, which of the following could you do to decrease the amount of force you would need to apply to move the tire from the floor onto the bed of your pickup truck? Select the best response. All content © 2022 Expert TA, LLC
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