45° Find Force BC
45° Find Force BA
Use the scalar product to determine the parallel force component
acting in BC, due to the 400 N force at C.
2 F-400 N 45° 30° 3 m 4 m
Homework Set # 9 Fundamental Problem 18.11 ▼ Part A The 60kg rod is released form rest when θ= 45°. (Figure 1) Determine the angular velocity of the rod when θ-0°. The spring is unstretched when 6-45°. Express your answer to three significant figures and include the appropriate units. Value Units st Answer Submit Provide Feedback Figure 1.5 m k-300 N/m
Homework Set # 9 Fundamental Problem 18.11 ▼ Part A The 60kg rod is released form rest when θ=...
A 60kg box rests on a floor with a coefficient of kinetic friction of 0.600 and a coefficient of static friction of 0.800. What horizontal force is required to start the box moving? Please show work!
Exercise: In both case, figure 1 and 2 calculate the tension in cables AC and BC A 40 10° 400N 60Kg figure: 1 figure: 2
Two crates, of mass m1 = 60kg and m2 = 129kg , are in contact and at rest on a horizontal surface. ForceF = 690N is exerted on the 60-kg crate. The coefficient of kinetic friction is 0.18. Determine the magnitude of the force that each crate exerts on the other.
4. If the 50 lb force is normal to the line BC and in a plane parallel to x-z, find the moment created about point O and the component of this moment along axis O-A. N - - - B 150 50 lb
Calculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only unknown. The forces are positive if in tension, negative if in compression. 11.5 kN 4.0 m 4.0 m с 4.0 m D 3.1 m 4.0 m 4.0 m E po G Answers: BC= i KN BE = i KN EF = i KN
nd BC, are pinned together at their ends. Force F acts downward at pin B. The bars act in axial compression 36 ft -X F-886 lb 30 ft -15 ft Determine the magnitude of the compressive force in each bar in pounds. 2 BC Submit Answer Save Progress Practice Another Version D Type here to search