a = 5 m b = 3 m c = 1 m Mass of block = 120 kg Use g = 9.80665 m/s^2
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a = 5 m
b = 3 m
c = 1 m
m= 120 kg
g= 9.80665 m/s^2
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- O M 11:PY O STATIC M... -> Find the resultant force of the following? B. 2 m E- 600 N 3.5 m 0.5 m F= 450 N 1.5 m 1 m 1.5 m 0.5 m y II >2. ! SHOW COMPLETE SOLUTION ! *pls draw FBD *pls use data give properly : rate will be low if not explained properly Problem 2: The pulleys are frictionless and of negligible weight Find: 2.1 Tension (N) in the cord supporting block C. 2.2 Acceleration at Block A (m/s^2) 2.3 Acceleration at Block B (m/s^2) 2.4 Acceleration at Block C (m/s^2)In the system shown in the figure, mA = 2 kg and mB = 5 kg.the mass is connected to each other by rope. A 12 N Fforce is applied to body A at an angle of 10 °.There is only friction between body B and the inclined planeand the kinetic coefficient of friction is 0.3. a) Draw the free body diagram of each object. b) Find the acceleration of the system. g = 9.8 m / s ^ 2, sin (37 °) = cos (53 °) = 0.60, cos (37 °) = sin (53 °) = 0.80, sin (10 °) = 0.17,cos (10 °) = 0.98
- Consider the following diagram. m1=20 kg and m2= 10 kg. The system is being pulled by an applied force of 200 N. directed 50" above the horizontal. The coefficient of kinetic friction between the block and the surface is u-0.2. 50 m, 20kg Coefficient of friction 4=0.2 10 kg. 309 7) Calculate the acceleration of the system. Your answer 8) Calculate the magnitude of the Tension on the rope. Your answer N 00We have proper units for the acceleration and tension. The numbers do not tell much if we can trust the results, but we may consider an extreme case when m, = 0, then a = 9.8 m/s T= N. Correct. If m2 = 0, then a = 0 also correct. Two masses m, and m, are connected by a light string that passes over a H.W تحو eap frictionless pulley, as in Figure. Determine the tension in the string, a) b) the acceleration of each object, c) the force that the ceiling exerts on the hook 一 SOLUTION: 1. Physics: Newton's laws for two correctes objects. (Atwood machine) 2. Second Newton's law for 2D case for every objectQ2/ A belt drive consist of two V-belts in parallel, on grooved pulleys of the size. The angle of the groove is 30°. The cross – section area of each belt is 750 and u is 0.12. The density of the belt material is 1.2 Mg/m' and the maximun stress in the material is 7 MN/m?. Answer the following questions 1- The centrifugal tension in belts is (a) increases power transmitted (b) decreases power transmitted (c) have no effect on power transmitted (d) increases power transmitted up to a certain speed and then decreases
- R1 R2 R3 P) For the given pulleys compound system : (a) Find the Ideal Mechanical Advantage (IMA) (b) The required applied force (F) to lift 450 N load F: Applied load (c) The anchor reactions (R1, R2 and R3) (d) the movement acceleration of the load (e) Resketch the given pulleys system and label the tension force value in each part (line) of the rope. 450 N Compound Systemsm = 160 gram 3. What is the change in length of the three springs? Acceleration due to gravity is g = 10 m.s³². 4. A bullet m = 0.001 kg moves with a speed of 500 m/s and strikes a After the collision the bullet becomes embedded into the block. Th the end of a spring k = 120 N/m. m M K mind k₁ relele mmm 2 kg a. What is the initial kinetic energy of the bullet? b. What is the speed of the bullet-block system after the collision? c. What is the kinetic energy of the bullet-block system after the collision? d. What is the maximum elastic potential energy when the block comes to rest? helele k₂Q5/A) From the figure below, determine the reaction force at pin C. A 000 0.6 m 10 kN 0.6 m 0.8 m 60° 0.4 m 6 kN OB
- Solve for the acceleration and the tension mų = 5 kg m2 = 4 kg Your answerN 1 91% 1 07:00 elearning.nust.na/eleal 23 Determine the magnitude of the resultant force (in N) of the coplanar force system shown in the figure below where the horizontal force P = 210 N and the couple M = 527 Nm. M N m A 150 N 300 250 mm 400 mm 90 N Answer: 81.6 Leave a message P.3. Find the tension in each wire, neglecting the masses of the wires. S. 45° 30° PA System of interest- 150 N 4. Calculate the speed at which an 80 m radius curve banked at 35° should be driven if the road is frictionless.. S. 0 NO W N sin 8 = Fc = Fnet W N cos 0 = w