Two crewmen pull a raft through a lock, as shown in the figure(Figure 1). Onecrewman pulls with a force of 130 N at an angle of 34 ° relative to the forwarddirection of the raft. The second crewman, on the opposite side of the lock, pullsat an angle of 45Part AWith what force should the second crewman pull so that the net force of the two crewmen is in the forward direction?Express your answer using two significant figures.Temptates Symbols undo regdo reset keyboard shortcuts helpkNF = 102.8SubmitPrevious Answers Request AnswerX Incorrect; Try Again; 7 attempts remainingProvide FeedbackFigure1 of 14534"130 N

Given : F1=130 N F2=? θ1=34oθ2=45o We have to find the force F2 in this question.

Answered: Two crewmen pull a raft through a lock,…

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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In , the man has a mass of 65 kg and the crate has a mass of 110 kg. The coefficient of static friction between his shoes and the ground is μs = 0.4 and between the crate and the ground is μc = 0.3. A) Determine if the man is able to move the crate using the rope-and-pulley system shown. B) Prove your answer to part A by calculating the static frictional force F�between the man's shoes and the ground required to move the crate and the maximum static frictional force Fmax which can be developed. Express your answers in newtons to three significant figures separated by a com_ma.
A 1500-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 90.0 N in a direction 25.0° west of north. Assume that the water exerts no appreciable frictional drag on the barge. Determine the following, showing all your steps clearly: a. In what direction should the second cable pull so that the barge will accelerate northward, if the force exerted by the cable is 130 N? Give your answer as an angle relative to north and state which direction (east of north or west of north). b. What is the acceleration that the barge moves north with? c. How far does it move in the first 15 seconds?
Consider the system shown in the figure (Figure 1). Block A has weight w, and block B has weight wg. Once block B is set into downward motion, it descends at a constant speed. Assume that the mass and friction of the pulley are negligible. Part A Calculate the coefficient of kinetic friction u between block A and the table top. Express your answer in terms of some or all of the variables wa (double-u subscript A), WB, and g (the acceleration due to gravity). • View Available Hint(s) Submit Part B Complete previous part(s) Part C Complete previous part(s) Provide Feedback Figure B
A 0.10-kg ball is placed in a shallow wedge with an opening angle of 150°, as shown in(Figure 1). Figure Contact force 1 mg Contact force 2 1 of 1 ▼ For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless. Determine the Contact force 1. Express your answer using two significant figures. View Available Hint(s) N₁ = Submit Part B Determine the Contact force 2. Express your answer using two significant figures. ► View Available Hint(s) N₂ = G| ΑΣΦ Submit [5] ΑΣΦ Provide Feedback ? ? N N Review O Next >
Please help me with this. Please show all your work
Problem 1: A block with a mass of m rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction. The second acts on the body at an angle 0 measured from horizontal, as shown. If necessary, use Fs and Fk for the forces of static and kinetic friction. L. F Please use the interactive area below to draw the Free Body Diagram for this block, assuming it is in static equilibrium. FBD : Fn, F1, Fg, F2, Fs, Fk, a, v 45, 0, 90, 135, 180, 225, 270, 315, 0 Force Labels: Angle Labels: m.
The motion of jumping insects is of interest not only to biologists, but also to those who design robots. (Figure 1) shows the speed-versus-time graph for two different takeoff jumps of a 19-mg green leafhopper, as determined from high-speed videos. Part A What is the magnitude of the average net force acting on the leafhopper's body during jump 1? Express your answer to two significant figures and include the appropriate units. F = Value Units Submit Request Answer Part B What is the ratio of the force found in part A to the leafhopper's weight? Express your answer to two significant figures and include the appropriate units. ? F mg Figure Submit Request Answer • Part C 0.8 Is the average force during jump 2 greater than, less than, or equal to the average force during jump 1? 0.6 O greater than 0.4 less than O equal to 0.2 - Jump 1 - Jump 2 Submit Request Answer 6. Time (ms) Speed (m/s)
Practice Problems - Vectors and Trigonometry 1. Two horses on opposite sides of a narrow canal are pulling a barge along the stream. Each horse pulls with a force of 720 N. The ropes from the horses meet a a common point on the front of the barge. What is the resultant force exerted by the two horses if the angle between the ropes is: (a) 30° (b) 45° (c) 60°
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I Review Part A A crate, seen from above, is pulled with three ropes that have the tensions shown in (Figure 1). Tension is a vector directed along the rope, measured in newtons (abbreviated N). Assume T1 = 50 N, T2 = 55 N, and T3 = 65 N. Suppose the three ropes are replaced with a single rope that has exactly the same effect on the crate. What is the tension in this rope? Enter the x and y components of the tension in newtons separated by a comma. nV ΑΣφ Te, Ty = Submit Request Answer Figure 1 of 1 Provide Feedback Next y 45° 30°

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