A 0 1.9 m 1.9 m 240 kg B P
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- F(t) Force_Crate Known values: Mass of Block 68 kg TT Hs μk 0 0.63 0.53 26° Problem Statement: A crate is initially at rest on a sloped surface, when a force is applied: F(t) where t is in seconds. Answers: When t=44.47 seconds, the crate has not yet started moving. Find the magnitude of the friction force at that time: 317.771 N The direction of the friction force at that time is: down the slope Find the time required for the crate to start moving: Find the crate's speed when t=174.9 s: 9.485 m/s Be sure to include units with your answers. 169.756 S 240+0.2 N,SCH 08 HW PSS 8.1: Static equilibrium problems To practice Problem Solving Strategy 8.1 Static equilibrium problems. When you at an object by moving only your forearm, the main lining muscle in your arm is the biceps. Suppose the mass of a forearm is 1.20 kg. If the biceps is connected to the forearm a distance du-3.50 cen from the elbow, how much force F must the biceps exert to hold a 750 g bal at the end of the forearm at distance du 30.0 ctn from the elbow, with the torearm parallel to the floor? How much force F must the elbow exert? (Doute 1) Figure dap Biceps Soull 1 of 1 Evaluate whether the answer you obtained for the force exerted by the biceps is reasonable ▾ Part J VAX Although it is uncommon, orthopedic surgeons have seen patients who have tom their biceps tendon when forces of greater than 390 N have been exeded on the tendon with the arm bent at the elbow so that the forearm is parallel to the ground. What is the minimum mass of a ball Af such a patient might have held…PHYS X PHYS X 印 PHYS X PHYS X POTPHYS X PHYS X E PHYS X E PHYS top/semester2/physics%20for%20engineers/PHYS220_CH15_Lecture%20Notes_Problems%2015 19,15.29 S (D Page view A Read aloud V Draw Problem-15-19: page-475 A 0.500-kg object attached to a spring with a force constant of 8.00 N/m vibrates in simple harmonic motion with an amplitude of 10.0 cm. Calculate the maximum value of its (a) speed, and acceleration. (b) the speed and the acceleration when the object is 6.00 em from the equilibrium position, and (c) the time interval required for the object to move from.r50 to r5 8.O0 cm. Solution:
- HOME WORK 2.pdf Mechanical System Design Home Work 2 PISTON DESIGN Q2: Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kW per cylinder when running at 600 r.p.m. The other avialable data is as follows: Maximum gas pressure = 4.8 N/mm; Indicated mean effective pressure = 0.65 N/mm'; Mechanical efficiency consumption = 0.3 kg/BP/hr; Calorific value of fuel (higher) = 44 x 103KJ/kg; Difference of temperatures at the centre and edges of the piston head = 200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the material of the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel = 0.4 N/mm and allowable bearing pressure on the gudgeon pin= 17 N/mm. 95%; Radius of crank 110 mm; FuelVindow Help + 98% 4 Mon 9:56 A A docs.google.com F Sixth Amendment Video - Bill of Rights Lesso. G Earth and Space STAAR Review - Google S. G Nguyen - Physics STAAR Review - sics STAAR Review D @ Format Slide Arrange Tools Add-ons Help Last edit was 13 days ago O Present * Share IT 田 Background Layout- Theme Transition 1 2 TEL L 3 14 7 A diagram of the forces being applied to a box is provided (below). If the net force acting on the box is 10 N to the right, what is the magnitude of the force applied by the boy pulling to the left? Record your answer in the grid below. Show all work! Left Right 11 Newtons 8 Newtons 2. ? Newtons 21 Newtons Work/Math (2) (2 (2) (2) 40 40 40 Answer with units Click to add speaker notes )山TO@ MacBook Air 4) II F8 FIV F12 F10 000 F4 F9 F5 F6 F7Calculate the final output using the Centroid method for the following strength values Provide step by step calculations Strength Calculations Min 0.2 Low 0.2 Time Avg Taken Water Med 0.4 0.5 level Max 0.4 High 0.3 Time Taken 1. Min - Range 0 30 60 2. Avg - Range 30 60 90 3. Max Range 60 90 120 Water Level 1. Min Range 0 5 10 2. Avg - Range 5 10 15 3. Max - Range 10 15 20
- Consider the following weighless System Well S000N 4m> wise 28° 400N Sketch a complete body diagram1 A gasoline engine working on four stroke develops a brake power of 20.9 kW. A Morse Test was conducted on this engine and the brake power (kW) obtained when each cylinder was made inoperative by short cir- cuiting the spark plug are 14.9, 14.3, 14.8 and 14.5 respectively. The test was conducted at constant speed. Find the indicated power, me- chanical efficiency and bmep when all the cylinders are firing. The bore of the engine is 75 mm and the stroke is 90 mm. The engine is running at 3000 rpm.A particle moving along a straight line has an acceleration which varies according to position as shown. If the velocity of the particle at the position x = -7 ft is v = 6 ft/sec, determine the velocity v when x = 13 ft. a, ft/sec² 9 M -7 0 0 8 x, ft -4 1 11 13
- Jeducation.wiley.com/was/ui/v2/assessment-player/index.html?launchld=Ded2c529-3fc2-42f7-852c-6bed8ea4950d#/question/6 Question 7 of 11 0/4 View Policies Show Attempt History Current Attempt in Progress Air is compressed in a piston-cylinder assembly from p, = 20 Ib:/in?, T, = 500°R, V, = 9 ft to a final volume of V, = 1 ft in a process described by pv 1.20 = constant. Assume ideal gas behavior and neglect kinetic and potential energy effects. Using constant specific heats evaluated at T, determine the work and the heat transfer, in Btu. Step 1 X Your answer is incorrect. Determine the work, in Btu. W12 = -64 Btu Hint Attempts: 2 of 5 used Submit Answer Save for Later Using multiple attempts will impact your score. 10% score reduction after attempt 2 IIVo) LTE1.ll LTE2 l £ Vo) 4G 11:12 bartleby.com = bartleby Q&A Engineering / Mechanical Engineeri... / Q&A Library / Two ... Two blocks A and B weigh 1 kN and 2 kN re... Question 3. Two blocks A and B weigh 1 kN and 2 kN respectively and are in equilibrium position as shown in the figure. If the coefficient of friction between the two blocks as well as the block B and the floor is 0.3. Find the minimum force P required to move the block B. A B IIQuestion No 2 Draw the FBD and Datum Use both Conservation of Energy and Work and Energy methods to solve all problems (if possible) Justify why you can or cannot use them both. Show all Formulas and Units Given: ASF. Pendulum mass = 50 kg. Radius of Gyration = 300 mm. Released from rest at Theta = 0 degree. Required: Angular velocity at Theta = 90 degrees. 0.6 m B 0.35 m k = 300 N/m 0.1 m ww