▼ ▼ Part A What is the mass of box B? Express your answer with the appropriate units. mB = Part B Submit Request Answer MA= HA Value Submit What is the mass of box A? Express your answer with the appropriate units. Provide Feedback μA Value Units Request Answer Units ? ?
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- Zach, whose mass is 70 kg, is in an elevator going down at 6.0 m/s. The elevator takes 2.0 s to brake to a stop at the bottom floor. What is his apparent weight, in Newtons? Use g = 10.0 m/s². Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.Three cables are used to hold a hot-air balloon in place. The tension in the cable AD is 658 N. What is the tension in the cable AB? Enter using 3 significant figures. What is the tension in the cable AC? Enter using 3 significant figures. What is the vertical force V exerted by the balloon at point A? Enter using 4 significant figures.Three cables are used to hold a hot-air balloon in place. The tension in the cable AD is 658 N. Draw the Free Body Diagram at A. Upload this along with your all your workings for this problem to the dropbox. What is the tension in the cable AB? Enter using 3 significant figures. What is the tension in the cable AC? Enter using 3 significant figures. What is the vertical force V exerted by the balloon at point A? Enter using 4 significant figures.
- A cabinet of mass 3.7 kg is at rest on a ramp as shown. What is the magnitude of the friction force on the cabinet, in Newtons? The coefficients of friction between the cabinet and ramp are Ps = 0.850 and uk = 0.750. Use g = 10 m/s2. (Hint: what type of friction is it?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 30.0ew T Co Stants Consider the system shown in the figure (Figure 1). Block A weighs 43.7 N and block B weighs 24.2 N. Once block B is set into downward motion, it descends at a constant speed. A cat, also of weight 43.7 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration magnitude? Express your answer in meters per second squared. m/s? a = Submit Request Answer Figure 1 of 1 Part C A cat, also of weight 43.7 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration direction? A upwards downwards Submit Request AnswerBlock B hangs on a cable connected block A through a pulley as shown in the figurebelow. The two blocks are in equilibrium. Block B has a mass of 2.5 kg and the angle ofthe incline ? is 35o. A. What is the tension on the cable? (Ans: 24.5 N)B. What is the mass of block A? (Ans: 4.36 kg)
- In a repair shop a truck engine that has mass 425 kg is held in place by four light cables (Figure 1). Cable A is horizontal, cables B and D are vertical, and cable C makes an angle of 37.1 with a vertical wall. Tension in cable A is 721 N. What is the tension in cable b? What is the tension in cable c?A warehouse worker pushes a crate along the floor, as shown in the figure (Figure 1), by a force of 19 NN that points downward at an angle of 45 degrees below the horizontal. Find the horizontal component of the push. Your answer should be positive if the force is to the right, negative if the force is to the left. Express your answer in newtons. Find the vertical component of the push. Your answer should be positive if the force is upward, negative if the force is downward. Express your answer in newtons.This is an F=ma questions. Remember that force and acceleration are vectors. (That's what the boldface font means.) 1) A 14kg object accelerates at (2,4) m/s2. Calculate the magnitude of the force on the object, in Newtons. 2) Calculate the mass if F = (200, 300) N and a = (0.9, 0.3) m/s2. Enter 0 if there exists no answer.
- The 1000N cow now sits on the 5kg box.a. What is the total mass of the cow and the box?b. What is the total weight of the cow and the box?c. What is the normal force provided from the ground?The forces F, = 5i - 9j and F, = 3i + 7j are acting on an object. %3D %3D a. Find the resultant force. b. What additional force is required for the given forces to be in equilibrium? a. The resultant force is. (Simplify your answer. Type your answer in terms of i and j.) b. The additional force required for the given forces to be in equilibrium is (Simplify your answer. Type your answer in terms of i and j.)Three blocks are connected by ropes, as depicted in Figure 1. The coefficientof kinetic friction between m1 and m2 is 0.300, and the horizontal surface and pulleys are frictionless. What is the acceleration of the blocks?