1. For the system shown below; a. Find the force the horizontal force F required to move the hanging masses upward with constant velocity. b. Find the tension in each rope. Assume ideal pulley and frictionless surface. 5 kg 3 kg 2 kg

The door has a weight of 230 lb and a center of gravity at G. (Bouto 1) Figure ▼ Part C NA = 1 of 1 HÅ Value Determine the constant force F that must be applied to the door to push it open 19.0 ft to the right in 5 s. starting from rest. Express your answer to three significant figures and include the appropriate units. Submit Request Answer Part B. Value Units Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining μA Also, find the vertical reaction at the roller B Express your answer to three significant figures and include the appropriate units. No - Value Submit Also, find the vertical reaction at the roller A. Express your answer to three significant figures and include the appropriate units. Previous Answers Request Answer Units Units ?

2. Use the equilibrium conditions to find the weights w1, w2, and w; required to balance the mobile. Hint: start from the bottom rung and apply the conditions for equilibrium, then work your way up. 4 cm 8 cm 5 cm 1 cm W3 2 cm 4 cm w2 W1 0.5 N

QS/ Replace the three forces which act on the bent bar by a force-couple system at the support point A. Then determine the x-intereept of the line of action of the stand-alone resultant force R. 2500 lb 1200 Ib A B. S00 Ih

1. A 10-kg box is hung by two wires that each make an angle of 42.4° with the ceiling. Find the tension, in each wire, to achieve static equilibrium. (refer to the figure below) 10 Kg

2. The drawing below shows a person with a weight of 584N doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. 0.840 m cg 0.410 m