![2.7 m A 66 kg person stands on a uniform 13 kg, 4.4 m long ladder resting against a frictionless wal EXAMPLE NOTES IMAGES DISCUSS UNITS STATSHELP Part Description Answer Chk History Points (D/T)Feedback Ans Time 2019-01-11 7.33 775N 15:33:11 (1.11 Wrong Wrong 2019-01-11 7.19 15:49:39 110.98)WARNING: 5 SF given, 3 SF expected 217.44N What is the magnitude of the force Format Check of the wall on ladder? 6.75 pts, 101% OK- using first value as 210 N (include units with answer) Wrong 2% try penalty 2019-01-11 7.04 209.84N 17:06:42 (1.10.96)WARNING: 5 SF given, 3 SF expected Hints: 2,0 2019-01-11 6.89 133N 17:09:44 (1.10 Current problem value: 101.2% of 6.67 Wrong # tries: 4 | Hide Details | What is the magnitude of the normal force of the ground on ladder? include units with answer) A: 775N C: 775.0N # tries: 1 Show Details Hints: 1,0 What is the minimum coefficient of friction so the ladder does not slip? 7.33 pts,110% # tries: O Show Details] 296 try penalty Hints:0 What is the minimum coefficient of friction so the ladder does not slip for any location of the person on the ladder? 7.33 pts, 110% # tries: O Show Details ! 2% try penalty Hints: 2,0](http://img.homeworklib.com/questions/094885a0-6e72-11ea-9dec-9b18d77e0bb6.png?x-oss-process=image/resize,w_560)
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2.7 m A 66 kg person stands on a uniform 13 kg, 4.4 m long ladder...
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...
3 1728 18 CM H 0.49 A 286 pound safe containing $5 million dollars is on...
3 1728 18 CM H 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 Points Ans Time (D/T) Feedback What is the minimum forceP required to prevent the box from sliding down the incline? (include units with answer) 102.38 lb Wrong Format Check | 6.53 pts, 98% | 2% try penalty 102.38 Ib2019-01-13...
6. 1772 A 10 kg, 4m long ladder is leaned against a vertical wall at an...
6. 1772 A 10 kg, 4m long ladder is leaned against a vertical wall at an angle of 30° from the vertical. The static coefficient of friction between the ladder and the floor is 0.40, and there is no friction between the wall and the ladder. An 80 kg Professor climbs up the ladder. NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History How high can he climb along the ladder before the ladder begins to slip? (include...
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...
1. 1563 46 in Point G represents the center of mass of the cabinet Assume that...
1. 1563 46 in Point G represents the center of mass of the cabinet Assume that G is in the center of the cabinet (left to right) The static coefficient of friction between the cabinet and the floor is 0.35 The kinetic coefficient of friction between the cabinet and the floor is 0.28 The cabinet weighs 300 lb Assume that the cabinet slides before it tips EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What value...
can anyone do part D? 1728 18 CM H0.49 41 A 286 pound safe containing $5...
can anyone do part D?
1728 18 CM H0.49 41 A 286 pound safe containing $5 million dollars is on an incline. Derek is pulling on the safe with a force of P NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the minimum force P required to prevent the box fromA: 333.54 N sliding down the incline? (include units with ans What is the minimum force P required to prevent the box fromA: 418.3 N...
54 1721 H, 0.69 Hk 0.55 17 A 78 pound box is on an incline NOTES...
54 1721 H, 0.69 Hk 0.55 17 A 78 pound box is on an incline NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History PointsFeedback (D/T) Ans Time Wrong 4923.67lbs 2019-01-1011 . Your answer of 4923.67lbs was converted to 4923.67 lb 21:53:40 (1.1*1) WARNING: 6 SF given, 3 SF expected 813.41lb Determine the minimum force P that would result in the box starting to slide up the incline (include units with answer) Format Check 10.34 pts, 103% Wrong...
2. 2.0 1737 Cup 4.0 m 30 ° Long Way /Short Way 2.0 m Tee In...
2. 2.0 1737 Cup 4.0 m 30 ° Long Way /Short Way 2.0 m Tee In the Thomas and Tibbits miniature golf tournament, you can either take the long way around the obstacle, or take the short way. Cooper takes three shots (as shown) to go the long way. This problem DOES need to be written out for your portfolio. EXAMPLE Determine the x-component of the 4.0 m vector at an angle of 30° E of 10 pts, 100% #...
Hint: Use 1D relative velocity to find the velocity of the car with respect to the...
Hint: Use 1D relative velocity to find the velocity of the car
with respect to the air, which is used to find the drag force.
A 2520 lb car has a frontal cross-sectional area A of 20.0 ft2, a drag coefficient Cd of 0.25, and a drive (or tractive) force of 250 lbs. Assume an air density of 2.3x10-3 slug/ft3, Here is a list of frontal areas and drag coefficients for cars. This web site has interesting information on how...
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...
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...
3 1728 18 CM H 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 Points Ans Time (D/T) Feedback What is the minimum forceP required to prevent the box from sliding down the incline? (include units with answer) 102.38 lb Wrong Format Check | 6.53 pts, 98% | 2% try penalty 102.38 Ib2019-01-13...
6. 1772 A 10 kg, 4m long ladder is leaned against a vertical wall at an angle of 30° from the vertical. The static coefficient of friction between the ladder and the floor is 0.40, and there is no friction between the wall and the ladder. An 80 kg Professor climbs up the ladder. NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History How high can he climb along the ladder before the ladder begins to slip? (include...
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...
1. 1563 46 in Point G represents the center of mass of the cabinet Assume that G is in the center of the cabinet (left to right) The static coefficient of friction between the cabinet and the floor is 0.35 The kinetic coefficient of friction between the cabinet and the floor is 0.28 The cabinet weighs 300 lb Assume that the cabinet slides before it tips EXAMPLE NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What value...
can anyone do part D?
1728 18 CM H0.49 41 A 286 pound safe containing $5 million dollars is on an incline. Derek is pulling on the safe with a force of P NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History What is the minimum force P required to prevent the box fromA: 333.54 N sliding down the incline? (include units with ans What is the minimum force P required to prevent the box fromA: 418.3 N...
54 1721 H, 0.69 Hk 0.55 17 A 78 pound box is on an incline NOTES IMAGES DISCUSS UNITS STATS HELP Part Description Answer Chk History PointsFeedback (D/T) Ans Time Wrong 4923.67lbs 2019-01-1011 . Your answer of 4923.67lbs was converted to 4923.67 lb 21:53:40 (1.1*1) WARNING: 6 SF given, 3 SF expected 813.41lb Determine the minimum force P that would result in the box starting to slide up the incline (include units with answer) Format Check 10.34 pts, 103% Wrong...
2. 2.0 1737 Cup 4.0 m 30 ° Long Way /Short Way 2.0 m Tee In the Thomas and Tibbits miniature golf tournament, you can either take the long way around the obstacle, or take the short way. Cooper takes three shots (as shown) to go the long way. This problem DOES need to be written out for your portfolio. EXAMPLE Determine the x-component of the 4.0 m vector at an angle of 30° E of 10 pts, 100% #...
Hint: Use 1D relative velocity to find the velocity of the car
with respect to the air, which is used to find the drag force.
A 2520 lb car has a frontal cross-sectional area A of 20.0 ft2, a drag coefficient Cd of 0.25, and a drive (or tractive) force of 250 lbs. Assume an air density of 2.3x10-3 slug/ft3, Here is a list of frontal areas and drag coefficients for cars. This web site has interesting information on how...
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...
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