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- Determine the sense of the moment of the 800 N force about point A in Figure 1.View Policies Current Attempt in Progress Calculate the moment Mg of the 685-N force about the bolt at B. Simplify your work by first replacing the force by its equivalent force- couple system at A. The moment is positive if counterclockwise, negative if clockwise. Assume F-685 N, r-250 mm, h=845 mm, 0 = 29°,4 = 36° 0 Answer: MB " N-mTask III (Equilibrium of Rigid Body) If the beam in the figure below is in equilibrium (A is a pin and B is a roller), determine the following: (Neglect the thickness of the beam) 450 N 300 N 30% B) A 4 m D. Write the equilibrium equation of the moment around point A. E. Determine the reaction forces acts on A and B.
- The caster unit is subjected to the pair of 63-lb forces shown. Determine the moment associated with these forces. The moment is positive if counterclockwise, negative if clockwise. 1.2" 63 lb lb-in. 63 lb Answer: M =In the figure shown assuming clockwise moments are positive, compute the moment of force F= 243 kN and of force P= 109 kN combined about point A. Write numerical value only and 2 decimal places. A 1m D 1m F P BYour answer How much force (in Newtons) is required to accelerate a mass of 13.3 kg at a constant acceleration of 1.20 m/s? Your answer Solve for the summation of moment of forces about point B. 100 N
- A bowling ball rolls up a ramp 0.5 m high without slipping to storage. It has an initial velocity of its center of mass of 3.0 m/s. (a) What is its velocity at the top of the ramp? (b) If the ramp is 1 m high does it make it to the top?A disk of mass m , radius R , and area A has a surface mass density =mrAR (see the following figure). What is the moment of inertia of the disk about an axis through the center?A group of 17 students, each of whom can pull with 100lb of force, is trying to topple a 8000lb statue that the school built for the meanest teacher. Assume the statue does not slide. 5ft Answer all questions relative to the rotation point. How much torque is caused by the statue's weight? unit v note: actual number of How much torque is caused by the students? students is described in unit v problem Would the students be able to tip the statue? cannot be determined finalize (after completing ALL problems) check answers torque, complete problems 1 s Scientific Online Calculator
- Previous Problem Problem List Next Problem A horizontal circular platform (M = 97.1 kg, r = 3.25 m) rotates about a frictionless vertical axle. A 63.3-kg student walks slowly from the rim of the platform toward the center. The angular velocity of the system is 2.3 rad/s when the student is at the rim. Find the angular velocity of %3D the system when the student is 1.31 m from the center. HINT: Remember to conserve angular momentum of the system both before and after the student moves. Preview My Answers Submit AnswersA force of 500 N is applied on a rigid bar as shown in the figure. The moment of F about origin O in clockwise direction is. F 4 m Activate Windows Select one:A heavy crate needs to be moved. A crane can provide the force F at the mounting point shown. a.) Determine the moment about point A due to the force F. Enter your answer in Cartesian components with units of ft-lbs. Round to 3 significant digits. F = (100 i + 2453) lb A x α α Values for dimensions on the figure are given in the table below. R. Variable Value 39 in 35° a. MA = X F î+ k) ft-lb