A force of 100 N is applied to the point A of a 20 kg, 2 m beam when it is resting as shown. Determine the angular acceleration, when (a) θ = 0o, (b) θ = 45o
Homework Answers
4. The 25 kg uniform slender rod experiences a 100 N force applied at location shown...
4. The 25 kg uniform slender rod experiences a 100 N force applied at location shown in illustration as well as a 45 Nm moment also shown. At the moment the supporting rope snaps, find: a) The horizontal reaction of the pin at 0. (8 pts) b) The vertical reaction of the pin at 0. (8 pts) c) The angular acceleration of the rod just after the rope snapped. (9 pts) 100 N 0.6 m 45 Nm 1 -0.3 m
20 pts Question 3 force of P -56.65 N is applied to the cable, which causes the 221.0-kg reel to ...
20 pts Question 3 force of P -56.65 N is applied to the cable, which causes the 221.0-kg reel to turn since it is resting on the two rollers A and B of the dispenser. Determine the angular velocity of the reel after it has made two revolutions starting from rest. Neglect the mass of the rollers and the mass of the cable. Assume the radius cf gyration of the reel about its center axis remains constant at ko -0.40...
A force of 20 N is applied vertically at point B as shown below. 3 m...
A force of 20 N is applied vertically at point B as shown below. 3 m 20 N Determine the moment about point A caused by the 20N force. (Type in your numerical answer in the space below.) 60 N*m Indicate if this moment is CW or CCW. (Type "CW" or "CCW" in the space below.) CW
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg.
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the right.Part (a) Solve numerically for the magnitude of the normal force, FN in newtons, that acts on the block if θ = 30°. Part (b) Solve...
A force of magnitude 12 N is applied to mass m2 1.4 kg. The force is...
A force of magnitude 12 N is applied to mass m2 1.4 kg. The force is directed up a plane tilted by θ 40°. The box is connected by a mass m-4.4 kg on the floor. The floor, plane, and pulley are frictionless, and the masses of the pulley and cord are negligible. (a) draw a free body diagram for each block in the system. (b) What is the tension in the cord? (c) what is the acceleration of the...
eoge An external force (F) is applied to a beam, as shown in Figure 7 below....
eoge An external force (F) is applied to a beam, as shown in Figure 7 below. The beam is thin and uniform, hinged at its end point, and the system exists in the vertical plane. Q10. L G F Figure 7 Hinged Beam in Vertical Plane Data: Force: |Fl = 50 N; 0 45° Beam: m = 4.6 kg; L 0.55 m. Which of the following values is closest to the angular acceleration of the beam (with anti-clockwise defined as...
A 2 kg solid cylinder can rotate about its central axis through point applied as shown: F1 = 6 N, F2 = 4N, F3 = 10 N and F4 = 20 N.
A 2 kg solid cylinder can rotate about its central axis through point applied as shown: F1 = 6 N, F2 = 4N, F3 = 10 N and F4 = 20 N. The positio torces are applied are R = 6 cm and R2 = 12 cm. During the rotation, all forces same angles relative to the cylinder. Find the angular acceleration (magnitude and direction) of the cylinder.
Sample Problem 6. The 30 kg slender rod is released from rest when θ-00 (when rod OA is in the horizontal position). The spring is unstretched at θ-00. A constant clockwise moment of 10 N-m is applie...
Sample Problem 6. The 30 kg slender rod is released from rest when θ-00 (when rod OA is in the horizontal position). The spring is unstretched at θ-00. A constant clockwise moment of 10 N-m is applied to the rod. A force, P, of 20 N is applied and is always perpendicular to the rod. Determine the angular velocity of the rod when θ- 750. (Use the work-energy or conservation of energy method). 2 m 10 N-mm k80 N/m 1.5...
1. 300 N is applied to the 60-kg cart. Determine A force of P the reactions...
1. 300 N is applied to the 60-kg cart. Determine A force of P the reactions at both the wheels at A and both the wheels When a rigid body undergoes only translation, all the particles of the body have the same acceleration so aG-a and ?-0 at B. Also, what is the acceleration of the cart? The massThe equations of motion become: center of the cart is at C Build moment equation both ways (at center of gravity and...
A 100-kg, 2-m long plank sticks horizontally out of a wall. A 600-N force is applied...
A 100-kg, 2-m long plank sticks horizontally out of a wall. A 600-N force is applied at the other end at the following angles: a) 60° b) 120° c) 0° FIND THE NET TORQUE ABOUT THE ATTACHMENT POINT FOR EACH. SHOW ALL WORK
4. The 25 kg uniform slender rod experiences a 100 N force applied at location shown in illustration as well as a 45 Nm moment also shown. At the moment the supporting rope snaps, find: a) The horizontal reaction of the pin at 0. (8 pts) b) The vertical reaction of the pin at 0. (8 pts) c) The angular acceleration of the rod just after the rope snapped. (9 pts) 100 N 0.6 m 45 Nm 1 -0.3 m
20 pts Question 3 force of P -56.65 N is applied to the cable, which causes the 221.0-kg reel to turn since it is resting on the two rollers A and B of the dispenser. Determine the angular velocity of the reel after it has made two revolutions starting from rest. Neglect the mass of the rollers and the mass of the cable. Assume the radius cf gyration of the reel about its center axis remains constant at ko -0.40...
A force of 20 N is applied vertically at point B as shown below. 3 m 20 N Determine the moment about point A caused by the 20N force. (Type in your numerical answer in the space below.) 60 N*m Indicate if this moment is CW or CCW. (Type "CW" or "CCW" in the space below.) CW
A force of magnitude 12 N is applied to mass m2 1.4 kg. The force is directed up a plane tilted by θ 40°. The box is connected by a mass m-4.4 kg on the floor. The floor, plane, and pulley are frictionless, and the masses of the pulley and cord are negligible. (a) draw a free body diagram for each block in the system. (b) What is the tension in the cord? (c) what is the acceleration of the...
eoge An external force (F) is applied to a beam, as shown in Figure 7 below. The beam is thin and uniform, hinged at its end point, and the system exists in the vertical plane. Q10. L G F Figure 7 Hinged Beam in Vertical Plane Data: Force: |Fl = 50 N; 0 45° Beam: m = 4.6 kg; L 0.55 m. Which of the following values is closest to the angular acceleration of the beam (with anti-clockwise defined as...
Sample Problem 6. The 30 kg slender rod is released from rest when θ-00 (when rod OA is in the horizontal position). The spring is unstretched at θ-00. A constant clockwise moment of 10 N-m is applied to the rod. A force, P, of 20 N is applied and is always perpendicular to the rod. Determine the angular velocity of the rod when θ- 750. (Use the work-energy or conservation of energy method). 2 m 10 N-mm k80 N/m 1.5...
1. 300 N is applied to the 60-kg cart. Determine A force of P the reactions at both the wheels at A and both the wheels When a rigid body undergoes only translation, all the particles of the body have the same acceleration so aG-a and ?-0 at B. Also, what is the acceleration of the cart? The massThe equations of motion become: center of the cart is at C Build moment equation both ways (at center of gravity and...
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