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The tension in the right rope is 15.9N, the left rope is supporting 7.1N, and the...
Subject: General Statics and Dynamics A rope supporting a mass passes around four simple frictionless pulleys...
Subject: General Statics and Dynamics
A rope supporting a mass passes around four simple frictionless
pulleys at points A, B, C and D, and around two fixed drums at
points E and F. The mass exerts a force of 1000 N on the rope. The
radius of all pulleys and drums is 75 mm. If the coefficient of
friction between the rope and all the surfaces it contacts is 0.3,
what is the minimum force, P, necessary to hold the...
2. [2 pts) A pulley is hung from a ceiling by a rope. A block of...
2. [2 pts) A pulley is hung from a ceiling by a rope. A block of weight W, is suspended by another rope that passes over the pulley and is attached to the wall. The rope fastened to the wall makes a right angle with the wall Neglect the weight of the rope. (a) Assuming the pulley's weight is negligible, find the tension in the rope from which the pulley hangs and the angle that the rope makes with the...
A 100 kg box is suspended from two ropes. The "left rope makes an angle of...
A 100 kg box is suspended from two ropes. The "left rope makes an angle of 20" degrees with the vertical, and the right rope makes an angle of 40 degrees. What is the tension (in Newtons) on the left rope?
A uniform bar 7.5 m long is held against a rough wall by a light rope...
A uniform bar 7.5 m long is held against a rough wall by a light rope as shown in the diagram. The pulley may be assumed to be frictionless, W = 140 N and the weight of the bar is w = 40 N. Find (a) the tension in the rope attached to the bar, and (b) the minimum coefficient of friction between the bar and the wall if the bar does not slip. There is no hinge connecting the...
A 10200-N shark is supported by a rope attached to a 3.40-m rod that can pivot at...
A 10200-N shark is supported by a rope attached to a 3.40-m rod that can pivot at the base. A rod is attached to a pivot at the base of a wall on the left. The rod extends up and right at a 60.0° angle from the horizontal. A cable connected to the top end of the rod extends up and left at a 20.0° angle from the horizontal before connecting to the wall. A shark hangs from a rope at the top...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft from the ends of the bar. The bar is uniform and weighs 50.0 lb. A weight of unknown size hangs from the left end of the bar, and a 100 lb weight hangs from the right end of the bar. If the tension in the left-side rope is 80.0 lb, find both the weight of the left-side hanging weight and the tension in the...
the answers are: a. 0.24, current flows left to right b. 0.24, current flows right to...
the answers are:
a. 0.24, current flows left to right
b. 0.24, current flows right to left
c. 0.41, current flows tight to left
d. 0.65, current flows left to right
e. 0.65, current flows right to left
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 3...
A light rope is attached to a block with mass 3.00 kg that rests on a...
A light rope is attached to a block with mass 3.00 kg that rests on a frictionless, horizontal surface. The horizontal rope passes over a frictionless, massless pulley, and a block with mass m is suspended from the other end. When the blocks are released, the tension in the rope is 15.3 N . part a) Draw free-body diagram for the 3.00-kg block. Assume block is moving to the right. Draw the vectors starting at a black dot. The location...
A 70 kg painter is painting the wall of a building. He stands on a horizontal...
A 70 kg painter is painting the wall of a building. He stands on a horizontal board of length 4.5 m and mass 15 kg, suspended from vertical ropes attached to each end. If the painter stands 1.9 m from one end of the board, what would the tensions in the ropes be? tension in rope nearer to the painter tension in rope further from the painter
Consider the 669 N weight held by two cables shown below. The left-hand cable had tension...
Consider the 669 N weight held by two cables shown below. The left-hand cable had tension T and makes an angle of ? with the wall. The right-hand cable had tension 980 N and makes an angle of 26? with the ceiling. a) What is the tension T in the left-hand cable slanted at an angle of ? with respect to the wall? Answer in units of N. b) What is the angle ? which the left-hand cable makes with...
Subject: General Statics and Dynamics
A rope supporting a mass passes around four simple frictionless
pulleys at points A, B, C and D, and around two fixed drums at
points E and F. The mass exerts a force of 1000 N on the rope. The
radius of all pulleys and drums is 75 mm. If the coefficient of
friction between the rope and all the surfaces it contacts is 0.3,
what is the minimum force, P, necessary to hold the...
2. [2 pts) A pulley is hung from a ceiling by a rope. A block of weight W, is suspended by another rope that passes over the pulley and is attached to the wall. The rope fastened to the wall makes a right angle with the wall Neglect the weight of the rope. (a) Assuming the pulley's weight is negligible, find the tension in the rope from which the pulley hangs and the angle that the rope makes with the...
A uniform bar 7.5 m long is held against a rough wall by a light rope as shown in the diagram. The pulley may be assumed to be frictionless, W = 140 N and the weight of the bar is w = 40 N. Find (a) the tension in the rope attached to the bar, and (b) the minimum coefficient of friction between the bar and the wall if the bar does not slip. There is no hinge connecting the...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft from the ends of the bar. The bar is uniform and weighs 50.0 lb. A weight of unknown size hangs from the left end of the bar, and a 100 lb weight hangs from the right end of the bar. If the tension in the left-side rope is 80.0 lb, find both the weight of the left-side hanging weight and the tension in the...
the answers are:
a. 0.24, current flows left to right
b. 0.24, current flows right to left
c. 0.41, current flows tight to left
d. 0.65, current flows left to right
e. 0.65, current flows right to left
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 3...
A 70 kg painter is painting the wall of a building. He stands on a horizontal board of length 4.5 m and mass 15 kg, suspended from vertical ropes attached to each end. If the painter stands 1.9 m from one end of the board, what would the tensions in the ropes be? tension in rope nearer to the painter tension in rope further from the painter
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