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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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The two conditions for equilibrium often result in a system of equations such as F1 + F2 = 64.0 N and 9.00F1 − 9.00F2 = 0.
(Due to the nature of this problem, do not use rounded intermediate values in your calculations - including answers submitted in WebAssign)
(a) Find F1.
(b) Find F2.
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- The answers entered are incorrect. Kindly provide a complete solution. Thank you!arrow_forwardThe helicopter view in the figure below shows two people pulling on a stubborn mule. (Take F₁ = 137 N and F₂ = 74.0 N.) 75.0° direction 60.0⁰ x (a) Find the single force that is equivalent to the two forces shown. 149.56 magnitude Your response differs from the correct answer by more than 10%. Double check your calculations. N 23.65 X Your response differs from the correct answer by more than 10%. Double check your calculations. counterclockwise from the +x-axis (b) Find the force a third person would have to exert on the mule to make the net force equal to zero. magnitude N direction counterclockwise from the +x-axisarrow_forwardProblem 9.35 - Enhanced - with Expanded Hints An 8.5 kg crate is pulled 5.1 m up a 30° incline by a rope angled 16° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.25. For help with math skills, you may want to review: The Vector Dot Product ▼ SOLVE: Part B WT = T·Ar=TAx cos(16) = (140 N) (5.1 m) cos(16) = 690 J WG = FG Ar = mg▲x cos(120°) = (8.5 kg) (9.8 m/s²)(5.1 m) cos(120°) Wn=n· Ar=nAx cos(90°) = 0 J 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) VE ΑΣΦ ΔΕth = |105 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? 10 of 14 J Rearrow_forward
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