An 7.6 kg crate is pulled 4.7 m up a 30° incline by a rope angled 18° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.24. For help with math skills, you may want to review: The Vector Dot Product Part A How much work is done by tension, by gravity, and by the normal force? Express your answers in joules to two significant figures. Enter your answers numerically separated by commas. ► View Available Hint(s) ΠΗΓΙ ΑΣΦ WT, WG, W₁ = Submit Part B What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ► View Available Hint(s) [5] ΑΣΦ AEth= Submit ? ? J J

An 7.6 kg crate is pulled 4.7 m up a 30° incline by a rope angled 18° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.24. For help with math skills, you may want to review: The Vector Dot Product Part A How much work is done by tension, by gravity, and by the normal force? Express your answers in joules to two significant figures. Enter your answers numerically separated by commas. ► View Available Hint(s) ΠΗΓΙ ΑΣΦ WT, WG, W₁ = Submit Part B What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ► View Available Hint(s) [5] ΑΣΦ AEth= Submit ? ? J J

Name: An 7.6 kg crate is pulled 4.7 m up a 30° incline by a rope angled 18°
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: An 7.6 kg crate is pulled 4.7 m up a 30° incline by a rope angled 18° above theincline. The tension in the rope is 140 N and the crate's coefficient of kinetic frictionon the incline is 0.24.For help with math skills, you may want to review: The Vec

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)...

See similar textbooks

Similar questions

A A parent pulls a child in a wagon at a constant speed, exerting a force of F = 55N at an angle of 30° with respect to the horizontal sidewalk. (a) How much work do they do, if they pull the wagon for a distance of 30m? (b) What is the force of friction on the wagon?
Write the expression for the work done by a constant force F applied at an angle q with respect to the displacement Dx of the object. Write the equation for the work done by a constant force over a displacement Dx in the same direction as the force. Identify every variable in each of the equations. please answer both questions
A crate with mass m = 33.3 kg being pushed up an incline that makes an angle φ = 22.7 degrees with horizontal. The pushing force is horizontal, with magnitude P, and the coefficient of kinetic friction between the crate and the incline is μ = 0.358. Consider the work done on the crate as it moves a distance d = 5.32 m at constant speed. a. What is work done by the pushing force, in joules? b. What is the work done by friction, in joules? c. What is the work done by gravity, in joules? d. What is the net work, in joules?
itemt 2 A block of mass m is released from rest at the top of an incline that makes an angle a with the horizontal. The coefficient of kinetic friction between the block and incline is 4k. The top of the incline is a vertical distance h above the bottom of the incline. Part A Derive an expression for the work W; done on the block by friction as it travels from the top of the incline to the bottom. Express your answer in terms of the variables u, m, g, h, and a. Iνα ΑΣφ ? W; = Submit Request Answer Part B When a is decreased, does the magnitude of W; increase or decrease? O When a decreases, the magnitude of W, stay the same. When a decreases, the magnitude of W, increases. O When a decreases, the magnitude of W decreases. Submit Request Answer Provide Feedback MacBook Air DII DD 80 ODO F11 FV F10 F9 F7 FB F6 F5 esc F3 F4 F2 F1 & #3 2$ 3 4 6. 7 8. 1 2
A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well that is hy = 9.5 m deep. The farmer uses a force F1 = 59.5 N to pull the bucket of water directly upwards. The total mass of the bucket of water is mb + mw = 3.1 kg. a.Calculate how much work Wf in J the farmer does on the bucket of water (via the rope) to raise it to ground level. b.Calculate how much work Wg in J gravity does on the bucket filled with water as the farmer lifts it up the well. c. Calculate the net work Wnet in J done on the bucket of water by the two forces F1 and Fg.
a In the figure, a constant force Ễ of magnitude 85.0 N is applied to a 7.0 kg shoe box at angle = 54.0°, causing the box to move up a frictionless ramp at constant speed. How much work is done on the box by Fa when the box has moved through vertical distance h = 0.35 m? а Use correct number of significant digits. The tolerance is + 1 in the 3rd significant digit. Number i 42.02 ! Units J
i don’t know how to find the magnitude with the given variables
A 700 kgkg elevator accelerates upward at 1.4 m/s2m/s2 for 14 mm, starting from rest. A. How much work does gravity do on the elevator? Express your answer with the appropriate units. B. How much work does the tension in the elevator cable do on the elevator? Express your answer with the appropriate units. C.What is the elevator's kinetic energy after traveling 14 mm? Express your answer with the appropriate units.
A person pushes a cart to the right with a force of 8 N at an angle of 0=40 degrees as shown in the diagram. The cart moves a horizontal distance by 10.0m, what is the work done by the force of gravity? (B) if the cart is moving at a constant velocity, determine the work done by the force of friction. C lastly, calculate the net work on the cart
1. Calculate the work done on the suitcase by F→. Express your answer with the appropriate units. 2. Calculate the work done on the suitcase by the gravitational force. Express your answer with the appropriate units. 3.Calculate the work done on the suitcase by the normal force. Express your answer with the appropriate units. 4. Calculate the work done on the suitcase by the friction force. Express your answer with the appropriate units. 5. Calculate the total work done on the suitcase. Express your answer with the appropriate units. 6. If the speed of the suitcase is zero at the bottom of the ramp, what is its speed after it has traveled 3.90 mm along the ramp? Express your answer with the appropriate units.
An 7.7 kg crate is pulled 5.5 m up a 30° incline by a rope angled 17° above the incline. The tension in the rope is 100 N and the crate's coefficient of kinetic friction on the incline is 0.27. For help with math skills, you may want to review: The Vector Dot Product Part A How much work is done by tension, by gravity, and by the normal force? Express your answers in joules to two significant figures. Enter your answers numerically separated by commas. ► View Available Hint(s) WT. WG. W₁ = Submit Part B What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ► View Available Hint(s) ΠΑΠ ΑΣΦ AEth= [-] ΑΣΦ Submit ? J ?
How do you know if the work done by a force acting on an object is positive or negative? Hint: Work is a scalar but both force and displacement are vectors.