1. [-/4 Points] DETAILS SERPSE10 5.7.OP.014. 0/6 Submissions Used MY NOTES ASK YOUR TEACHER The systems shown below are in equilibrium with m = 9.10 kg and 0 = 31.0. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. m m m a b m m m C d Ci scale in (a): N scale in (b): N scale in (c): N scale in (d): N Need Help? Read It Watch It2. [-15 Points] SERPSE10 5.7.0P.015.MI. 0/6 Submissions Used ASK YOUR TEACHER Assume the three blocks (m1 = 1.0 kg, m2 = 2.0 kg, and m3 = 3.5 kg) portrayed in the figure below move on a frictionless surface and a force F = 38 N acts as shown on the 3.5 kg block. m I m: l (a) Determine the acceleration given this system (in m/s2 to the right). :] m/s2 (to the right) (b) Determine the tension in the cord connecting the 3.5 kg and the 1.0 kg blocks (in N). :iN (c) Determine the force exerted by the 1.0 kg block on the 2.0 kg block (in N). :iN (d) What If? How would your answers to parts (a) and (b) of this problem change if the 2.0 kg block was now stacked on top of the 1.0 kg block? Assume that the 2.0 kg block sticks to and does not slide on the 1.0 kg block when the system is accelerated. (Enter the acceleration in m/s2 to the right and the tension in N.) acceleration :] m/s2 (to the right) New Help? meW 3. [-/3 Points] DETAILS SERPSE10 5.7.OP.022. 0/6 Submissions Used MY NOTES ASK YOUR TEACHER An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 2.95 kg.) m a Ci (a) The elevator ascends with an acceleration of magnitude 1.70 m/s2. What are the tensions in the two strings? (Enter your answers in N. ) T 1 : T 2 (b) The maximum tension the strings can withstand is 72.7 N. What is the maximum acceleration of the elevator so that a string does not break? (Enter the magnitude in m/s2.) m/s 2 Need Help? Read It4. [-I2 Points] DETAILS SERPSE10 5.8.0P.036.MI. 0/6 Submissions Used MY NOTES ASK YOUR TEACHER Two blocks connected by a rope of negligible mass are being dragged by a horizontal force (see figure below). Suppose F = 73.0 N, m1 = 14.0 kg, m2 = 20.0 kg, and the coefficient of kinetic friction between each block and the surface is 0.094. Ill] T "trH F G) (a) Draw a free-body diagram for each block. Choose File No file chosen This answer has not been graded yet. (b) Determine the acceleration of the system. Em? (C) Determine the tension T in the rope. :I N Need Help? _' _ 5. [-l1 Points] DETAILS SERPSE10 5.8.P.029. 0/6 Submissions Used MY NOTES ASK YOUR TEACHER A 8.3D-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.224, find the tension in the string. (The block slides to the right in the diagram below.) Need Help? __