4.1 Determine the moment of the forces about points A, B, C, and D for the beam shown. 10 kN 8.0 kN 12 kN B 4 m 2 m 5 m 4 m %2n
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Statics Course
Moment is the torque produced about a certain point by an applied force (F) at a perpendicular distance (d) from the point
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- When opening a door you push on it perpendicularly with a force of 75 N at a distance of 0.875 m from hinges. What torque , in newton meters are you exerting relative to the hinges?Can you help me with this physics question? A force vector (2, -1, 4)N acts on a particle at the position (1, -3, 0)m. What is the torque due to this force about the origin?I need help filling out the table of which forces are being applied, the y, and the torque
- A solid ssphere of radius 25cm & mass 25kg ro fater about an axis through its center. Calculate its moment of inertia of its angulal velocity changes from 2 rad/s to 12 rads in 5 second. Also calculate torque applied?Force F = (-7.0 N)î + (5.0 N) ĵ acts on a particle with position vector7 = (4.0 m)î + (5.0 m) ĵ. (a) What is the torque on the particle about the origin, in unit-vector notation? = N: m (b) What is the angle between the directions of r and Torque is the cross product of a position vector (extending from a chosen point, here the origin, to the particle) and a force vector. Did you take the cross product in unit-vector notation? Do you remember how find the angle between two vectors by taking a dot product in both unit-vector notation and also in magnitude-angle notation? (You can similarly use a cross product to do this.) Do you remember how to find the magnitude of a vector from its components?Consider an unsuccessful attempt to take off a tire using a wrench to loosen the bolts. Assume the wrench is 0.3m long and are you able to apply a 200N force Because the tire is flat you can only apply your force at a 60° angle. What is the torque at the center of the bolt. You find a tire jack and are now able to apply 200N of force at an 80° angle. Is the resulting torque more or less and what is the new torque.
- Mutiple choice: The torque is rotational counterpart of force, but it is not force. It has tendency of rotating objects. The torque is more effective when, (1) force is larger (2) force is far from axis of rotation (3) angle between r and the force is zero a) Only (1) is correct b) Only (2) is correct c) All (1), (2), and (3) are correct d) Both (1) and (2) are correctDon't use chat gpt It Chatgpt means downvoteForce F = (5.58 N)î – (6.71 N )k acts on a pebble with position vector 7 = (2.79 m ) – (7.59 m ) k, relative to the origin. - What is the resulting torque acting on the pebble about (a) the origin and (b) a point with coordinates (3.43 m, 0, -3.30 m)? (a) Number i i k Units (b) Number i i i k Units
- A thin rectangular plate is acted upon by 4 forces as shown. The 200 N makes an angle of 30 degrees with the horizontal. Calculate the net torque on this plate about the center A due to the four forces shown assuming there is no friction at the center. Note: (Angle at a is 30 degrees)Regarding the torque for each upward Tension, shouldn't the distance for each be (4-x), and not (2-x)?Current Attempt in Progress The figure shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle ) with respect to the vertical. Consider a rotational axis at the knee, as indicated. (a) When = 89°, find the magnitude of the torque that the weight creates. (b) At what angle ) does the magnitude of the torque have a value of 18 N·m? Axis, 0.55 m 49 N (a) Number i Units (b) Number i Units