Homework Answers
Prob. A 20-b uniform disk is placed in contact with an inclined surface and a constant 7.5 lb-ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coeffic...
Prob. A 20-b uniform disk is placed in contact with an inclined surface and a constant 7.5 lb-ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, determine (a) the angular acceleration of the disk, (b) the force in the link AB. a rough horizontal surface and end B supported by a smooth vertical surface. Knowing that the deceleration of the truck is 12...
A brick of mass 10 kg is at rest on a surface inclined at an angle...
A brick of mass 10 kg is at rest on a surface inclined at an angle of 45°. Given the coefficient of static friction is µs = 0.50 between the brick and the surface, what is the minimum force necessary to prevent the brick from slipping? A) 35 N B) 40 N C) 55 N D) 66 N
10. A 322-Ibm man walks with a velocity v. = 6 ft/s along the straight radial...
10. A 322-Ibm man walks with a velocity v. = 6 ft/s along the straight radial line on a rotating merry-go-round shown. If the merry-go-round is rotating with constant angular velocity of 0.5 rad/s, what is the magnitude of the in-plane force acting on the man when he is 8 ft from the center of the disk? A. 63.2 lbf B. 10.2 lbf C. 64.4 lbf D. 50.0 lbf E. None of the above
Problem 2 Determine the resultant force and its location on the dam face (center of pressure) that are equivalent to the water pressure acting on %-circle surface AB. 10 ft width 6 ft Problem 2...
Problem 2 Determine the resultant force and its location on the dam face (center of pressure) that are equivalent to the water pressure acting on %-circle surface AB. 10 ft width 6 ft
Problem 2 Determine the resultant force and its location on the dam face (center of pressure) that are equivalent to the water pressure acting on %-circle surface AB. 10 ft width 6 ft
A 10 kg disk is released from rest and is free to either roll or slide...
A 10 kg disk is released from rest and is free to either roll or slide down the incline toward a spring. The coefficient of friction between the disk and surface is 0.7 and 0.9. The radius of the disk is 1 m. The spring stiffness is 5 N/m. Answer the following questions about the system shown in the figure below. a) Will the disk roll or slide down the incline? Support your answer mathematically. b) What is the velocity...
I need the answers for #3, 4, and 5 m A block with mass m1 =...
I need the answers for #3, 4, and 5
m A block with mass m1 = 9.4 kg is on an incline with an angle 8 = 33' with respect to the horizontal. For the first question there is no friction between the incline and the block. 1) When there is no friction, what is the magnitude of the acceleration of the block? 5.3929 m/s2 Submit 2) Now with friction, the acceleration is measured to be only a = 3.63...
Assignment Find the volume of each figure. 1) Date Round your answers to the nearest tenth, if necessary- 8 mi s ys 10 mi 43 yd 4) 10 in 3) 7 t 10 in s fa 8.7 in 4.8 ft 6) 5) 10 mi 9 ft 6 ft 5 mi...
Assignment Find the volume of each figure. 1) Date Round your answers to the nearest tenth, if necessary- 8 mi s ys 10 mi 43 yd 4) 10 in 3) 7 t 10 in s fa 8.7 in 4.8 ft 6) 5) 10 mi 9 ft 6 ft 5 mi 4.3 mi 4.1 ft Th 8) 8 in 6 km 3 in 5.5 .1 km
Assignment Find the volume of each figure. 1) Date Round your answers to the nearest...
solve some parts of question Question 1 (40 points) G 10 ft The weight of the...
solve some parts of question
Question 1 (40 points) G 10 ft The weight of the man is 180 lb. As he climbs the ladder, he stops at the position shown on the figure. The friction at A is He = 0.4. The weight of the ladder is neglected. (i) 10 points: Draw the free body diagram. It is assumed that the contact at B is smooth. (ii) 10 points: State the equation of equilibrium A - 3ft - I...
The inclined pole is subjected to a 5 kN magnitude force vector F acting from point...
The inclined pole is subjected to a 5 kN magnitude force vector F acting from point B towards point C. (a) Determine the angle that exists between B (1,5,6) m the force vector F and the pole AB (b) Determine the magnitude of the component of the force vector F that acts parallel to the pole AB (c) Determine the magnitude of the component of the force vector that acts perpendicular to the pole AbB C (4, 3, 0) m...
Question 9 10 pts A hollow cylinder of outer radius R = 14 cm and mass...
Question 9 10 pts A hollow cylinder of outer radius R = 14 cm and mass M = 100 g with moment of inertia about the center of mass Icom = MR2 starts from rest and moves down an incline tilted at an angle 0 = 38° from the horizontal. The center of mass of the cylinder has dropped a vertical distance h= 131 cm when it reaches the bottom of the incline. The coefficient of static friction between the...
Prob. A 20-b uniform disk is placed in contact with an inclined surface and a constant 7.5 lb-ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, determine (a) the angular acceleration of the disk, (b) the force in the link AB. a rough horizontal surface and end B supported by a smooth vertical surface. Knowing that the deceleration of the truck is 12...
A brick of mass 10 kg is at rest on a surface inclined at an angle of 45°. Given the coefficient of static friction is µs = 0.50 between the brick and the surface, what is the minimum force necessary to prevent the brick from slipping? A) 35 N B) 40 N C) 55 N D) 66 N
10. A 322-Ibm man walks with a velocity v. = 6 ft/s along the straight radial line on a rotating merry-go-round shown. If the merry-go-round is rotating with constant angular velocity of 0.5 rad/s, what is the magnitude of the in-plane force acting on the man when he is 8 ft from the center of the disk? A. 63.2 lbf B. 10.2 lbf C. 64.4 lbf D. 50.0 lbf E. None of the above
Problem 2 Determine the resultant force and its location on the dam face (center of pressure) that are equivalent to the water pressure acting on %-circle surface AB. 10 ft width 6 ft
Problem 2 Determine the resultant force and its location on the dam face (center of pressure) that are equivalent to the water pressure acting on %-circle surface AB. 10 ft width 6 ft
A 10 kg disk is released from rest and is free to either roll or slide down the incline toward a spring. The coefficient of friction between the disk and surface is 0.7 and 0.9. The radius of the disk is 1 m. The spring stiffness is 5 N/m. Answer the following questions about the system shown in the figure below. a) Will the disk roll or slide down the incline? Support your answer mathematically. b) What is the velocity...
I need the answers for #3, 4, and 5
m A block with mass m1 = 9.4 kg is on an incline with an angle 8 = 33' with respect to the horizontal. For the first question there is no friction between the incline and the block. 1) When there is no friction, what is the magnitude of the acceleration of the block? 5.3929 m/s2 Submit 2) Now with friction, the acceleration is measured to be only a = 3.63...
Assignment Find the volume of each figure. 1) Date Round your answers to the nearest tenth, if necessary- 8 mi s ys 10 mi 43 yd 4) 10 in 3) 7 t 10 in s fa 8.7 in 4.8 ft 6) 5) 10 mi 9 ft 6 ft 5 mi 4.3 mi 4.1 ft Th 8) 8 in 6 km 3 in 5.5 .1 km
Assignment Find the volume of each figure. 1) Date Round your answers to the nearest...
solve some parts of question
Question 1 (40 points) G 10 ft The weight of the man is 180 lb. As he climbs the ladder, he stops at the position shown on the figure. The friction at A is He = 0.4. The weight of the ladder is neglected. (i) 10 points: Draw the free body diagram. It is assumed that the contact at B is smooth. (ii) 10 points: State the equation of equilibrium A - 3ft - I...
The inclined pole is subjected to a 5 kN magnitude force vector F acting from point B towards point C. (a) Determine the angle that exists between B (1,5,6) m the force vector F and the pole AB (b) Determine the magnitude of the component of the force vector F that acts parallel to the pole AB (c) Determine the magnitude of the component of the force vector that acts perpendicular to the pole AbB C (4, 3, 0) m...
Question 9 10 pts A hollow cylinder of outer radius R = 14 cm and mass M = 100 g with moment of inertia about the center of mass Icom = MR2 starts from rest and moves down an incline tilted at an angle 0 = 38° from the horizontal. The center of mass of the cylinder has dropped a vertical distance h= 131 cm when it reaches the bottom of the incline. The coefficient of static friction between the...
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