Homework Answers
8. F1-177 lb @ 34° CCW from +x, applied at 24, 41 ] ft 1868 F2139...
8. F1-177 lb @ 34° CCW from +x, applied at 24, 41 ] ft 1868 F2139 lb @ 20° CW from -y, applied at [ 59, 82 ] ft Point A: [ 3, -5] ft NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is F2 in a 3D vector component form? (enter as a vector: [x,y,z]) (include units with answer) [24,41,0ft3 11 pts, 110% Format Check # tries: 0 | Show Details Unit mismatch 296 try...
1. 179 F1170N F2 200 N 4 m F3-490 N For each of the three forces...
1. 179 F1170N F2 200 N 4 m F3-490 N For each of the three forces shown, compute the moment (+CCW) about point A NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Try 2 - CORRECT! 7.92 points added to your score Moment of F (include units with answer) A: -294.94 N-m C: -294.4 N-m WARNING: 5 SF given, 3 SF expected Hints: 1.0 # tries: 2 | Show Details Try 2 - your answer of -1000...
Vector A (3 4j)ft. Vector B has a magnitude of 12 ft at an angle of...
Vector A (3 4j)ft. Vector B has a magnitude of 12 ft at an angle of 120 ° CCW from the x-axis. This problem DOES need to be written out for your portfolio NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Determine the x-component of A + 9.6 pts,96% # tries: 2 Show Details Format Check (include units with answer) 2% try penalty Hints: 0,1 Determine the magnitude of A + IB (include units with answer) 10...
4 1182 20 m 30 m 0 A tension force of T 72 kN is applied...
4 1182 20 m 30 m 0 A tension force of T 72 kN is applied to cable AB. Calculate the moment about point O due to the force T. Express the result in vector notation NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Calculate the x component of the moment vector about point O (include units with answer) 8.33 pts, 100% # tries: 0 | Show Details Format Check 596 try penalty Hints: 1.0 Calculate the...
A bird uses a coordinate system of X to the right and Y upwards. The bird...
A bird uses a coordinate system of X to the right and Y upwards. The bird has a vector with an X-component of +12.9 ft and a magnitude of 33.1 ft and knows that the vector has a downward component. This problem DOES need to be written out for your portfolio NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the Y component of the vector? (include units with answer) 13.75 pts, 110% # tries: 0...
Drawing not to scale. Neglect the weight of the beam.
Drawing not to scale. Neglect the weight of the beam. What is the magnitude of the reaction force on the beam at A? What is the direction of the reaction force on the beam at A? (angle CCW from X axis) What is the magnitude of the reaction force on the beam at B? What is the direction of the reaction force on the beam at B? (angle CCW from X axis)6 600 N 630 N 52 1.4 m 3.6 m Drawing not to...
1728 18 CM = 0.49 A 286 pound safe containing $5 million dollars is on an...
1728 18 CM = 0.49 A 286 pound safe containing $5 million dollars is on an incline. Derek is pulling on the safe with a force of P EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the minimum force P required to prevent the box from sliding down the incline? (include units with answer) 6.67 pts, 100% 12% try penalty # tries: 0 Show Details Format Check Hints: 0,0 What is the minimum force...
2 4.2 m A 55 kg person stands on a uniform 17 kg, 6.0 m long...
2 4.2 m A 55 kg person stands on a uniform 17 kg, 6.0 m long ladder resting against a frictionless wall EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the magnitude of the force of the wall on ladder? (include units with answer) 6.67 pts. 100% 2% try penalty Hints: 2, # tries: 0 Show Details Format Check What is the magnitude of the normal force of the ground on ladder? (include units...
One of the largest manufacturers of pultruded fiberglass shapes is Strongwell Corporation. The company is owned by John...
One of the largest manufacturers of pultruded fiberglass shapes is Strongwell Corporation. The company is owned by John D. Tickle, who has been a gracious donor to the College of Engineering. Fiberglass members are made by emdedding glass fibers in a resin. A fiberglass ladder rail has an area of 0.50 square inches. Glass fibers make up 16% of the shape by volume. A 570 pound load is applied to the ladder rail. The modulus of elasticity of the resin...
A cylindrical water-storage tank has a height of 8.1 m and a radius of 6.4 m. The storage tank tank is 30 m off the gro...
A cylindrical water-storage tank has a height of 8.1 m and a radius of 6.4 m. The storage tank tank is 30 m off the ground. A 12 cm diameter pipe runs vertically down from the tank and goes 1.9 m underground before turning horizontal. The water flow in the horizontal pipe is 77 L/s. full of water but is vented to the atmosphere. The bottom of the EXAMPLE оТES IMAGES DISCUSS UNITS STATS HELP Answer Description Chk History rt...
8. F1-177 lb @ 34° CCW from +x, applied at 24, 41 ] ft 1868 F2139 lb @ 20° CW from -y, applied at [ 59, 82 ] ft Point A: [ 3, -5] ft NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is F2 in a 3D vector component form? (enter as a vector: [x,y,z]) (include units with answer) [24,41,0ft3 11 pts, 110% Format Check # tries: 0 | Show Details Unit mismatch 296 try...
1. 179 F1170N F2 200 N 4 m F3-490 N For each of the three forces shown, compute the moment (+CCW) about point A NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Try 2 - CORRECT! 7.92 points added to your score Moment of F (include units with answer) A: -294.94 N-m C: -294.4 N-m WARNING: 5 SF given, 3 SF expected Hints: 1.0 # tries: 2 | Show Details Try 2 - your answer of -1000...
Vector A (3 4j)ft. Vector B has a magnitude of 12 ft at an angle of 120 ° CCW from the x-axis. This problem DOES need to be written out for your portfolio NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Determine the x-component of A + 9.6 pts,96% # tries: 2 Show Details Format Check (include units with answer) 2% try penalty Hints: 0,1 Determine the magnitude of A + IB (include units with answer) 10...
4 1182 20 m 30 m 0 A tension force of T 72 kN is applied to cable AB. Calculate the moment about point O due to the force T. Express the result in vector notation NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History Calculate the x component of the moment vector about point O (include units with answer) 8.33 pts, 100% # tries: 0 | Show Details Format Check 596 try penalty Hints: 1.0 Calculate the...
A bird uses a coordinate system of X to the right and Y upwards. The bird has a vector with an X-component of +12.9 ft and a magnitude of 33.1 ft and knows that the vector has a downward component. This problem DOES need to be written out for your portfolio NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the Y component of the vector? (include units with answer) 13.75 pts, 110% # tries: 0...
Drawing not to scale. Neglect the weight of the beam. What is the magnitude of the reaction force on the beam at A? What is the direction of the reaction force on the beam at A? (angle CCW from X axis) What is the magnitude of the reaction force on the beam at B? What is the direction of the reaction force on the beam at B? (angle CCW from X axis)6 600 N 630 N 52 1.4 m 3.6 m Drawing not to...
1728 18 CM = 0.49 A 286 pound safe containing $5 million dollars is on an incline. Derek is pulling on the safe with a force of P EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the minimum force P required to prevent the box from sliding down the incline? (include units with answer) 6.67 pts, 100% 12% try penalty # tries: 0 Show Details Format Check Hints: 0,0 What is the minimum force...
2 4.2 m A 55 kg person stands on a uniform 17 kg, 6.0 m long ladder resting against a frictionless wall EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the magnitude of the force of the wall on ladder? (include units with answer) 6.67 pts. 100% 2% try penalty Hints: 2, # tries: 0 Show Details Format Check What is the magnitude of the normal force of the ground on ladder? (include units...
One of the largest manufacturers of pultruded fiberglass shapes is Strongwell Corporation. The company is owned by John D. Tickle, who has been a gracious donor to the College of Engineering. Fiberglass members are made by emdedding glass fibers in a resin. A fiberglass ladder rail has an area of 0.50 square inches. Glass fibers make up 16% of the shape by volume. A 570 pound load is applied to the ladder rail. The modulus of elasticity of the resin...
A cylindrical water-storage tank has a height of 8.1 m and a radius of 6.4 m. The storage tank tank is 30 m off the ground. A 12 cm diameter pipe runs vertically down from the tank and goes 1.9 m underground before turning horizontal. The water flow in the horizontal pipe is 77 L/s. full of water but is vented to the atmosphere. The bottom of the EXAMPLE оТES IMAGES DISCUSS UNITS STATS HELP Answer Description Chk History rt...
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