I need help with this practice problem. I was given the answer key but I don't understand how to solve it step by step.  A 5 kg object placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging 9 kg object. (a) Draw free-body diagrams of both objects. (b) Find the acceleration of the two objects and the tension in the string. Answers given in key: a.) diagram not given b.) 6.3 m/s2, 31.5 N

Q: A wagon accelerates 15.0 m/s2 when a force of 650.0 newtons is applied to it. What is the mass of…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Zach, whose mass is 77 kg, is in an elevator descending at 12 m/s. The elevator takes 3.2 s to brake…

A:

Q: At a construction site, a 16.0 kg bucket of concrete is connected over a very light frictionless…

A: Part A: Acceleration of the bucket is a= 2.81 m/s2Part B: The speed of the bucket is v = 2.90…

Q: With the help of a rope you want to drag a crate of mass equal to 150 Kg. The coefficient of kinetic…

A: Static friction is the force between an object and a surface, which acts against any moving object…

Q: Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts…

A: Given m=4.36kg, M=5.77kg. Let a be the acceleration of the system. From the FBD of mass m, T - mg=-…

Q: A hockey puck is sliding across a level frozen pond with an initial speed of 7.1 m/s. Friction is…

A: To find the coefficient of kinetic friction we need to calculate the deceleration first and then…

Q: Problem 3: While sliding a couch across a floor, Hannah and Andrea exert forces FH and FA on the…

A:

Q: The cart in the figure is attached to special spring that can stretch and compress equally well. The…

A: Let k be defined as the spring constant. Let x be defined as the distance between two consecutive…

Q: Print the References and Equations Sheet and use it to complete this question. You also may use a…

A: The problem can be solved by using the free body diagram. We have to consider the fact that drag…

Q: A therapist pushes a wheelchair in which his patient sits over a level ground. The cart travels in…

A:

Q: Two crates connected by a rope lie on a horizontal surface (see figure above). Crate A has mass of…

A: Let the force acting on the crate A is FA. Let the mass of the crate A is mA. let the acceleration…

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 11.0 kg and the…

A: Mass of block A, mA = 11 kg Coefficient of kinetic friction, μ = 0.170 Angle of inclination, θ = 34°…

Q: #2. A uniform board is leaning against a smooth vertical wall. The board is at an angle above the…

A: (2) Let L be the length of the board and θ is the smallest angle the board makes with the ground…

Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…

A: Frictional force F = uN

Q: A. You stand on a bathroom scale that rests on the floor inside the elevator. Standing on the scale…

A:

Q: A. Draw a free-body diagram for the kid including all forces acting on them. B. Draw a free body…

A: Given: The mass of the kid is m=12 kg. The mass of the sled is M=3 kg. The angle of the slope is…

Q: efficient of kinetic friction between the book and the carpet. Assume the only forces acting on the…

A:

Q: A lamp hangs vertically from a cord in a descending elevator. The elevator has a deceleration of 2.4…

A:

Q: s very light. The cart and spring rest on a low-friction horizontal surface. The cart is pulled to…

A:

Q: After a day of testing race cars, you decide to take your own 1460.7 kg car onto the test track.…

A:

Q: a. 1.95 N b. 0.75 N c. 1.00 N

A:

Q: Blocks with masses of 3.0kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

A: Given: The mass of the first block is m1=3 kg. The mass of the second block is m2=4 kg. The mass of…

Q: e thing does not move. Draw a free body diagram. What is the minimum coefficient of friction…

A:

Q: A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle e above the…

A: Given data: Tension in the rope = T Angle above the horizontal = θ Mass = M Coefficient of static…

Q: A compressed spring of k = 60 N/m is released from rest on a frictionless surface. What is the…

A:

Q: rt A That is the passenger's weight before the elevator starts moving? xpress your answer with the…

A: Givent=5 s (time of motion)u=0 (initial speed of elevator)v=12 m/s (final speed of elevator)m=65 Kg…

Q: The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope…

A:

Q: A 50.0 kg girl and a 100 kg boy, stand on a frictionless frozen lake at a distance 6.0 m apart.…

A: mass of girl = 50 kg mass of boy = 100 kg distance between girl and boy = 6 m force exerted by boy…

Q: A box is hanging from two strings. String #1 pulls up and left, making an angle of 50⁰ with the…

A:

Q: Two blocks are connected via a massless frictionless pully system. The hanging block is 3 kg. The…

A:

Q: During your winter break, you enter a sled race. You push the sled with a force of 210 N at 30.0°…

A:

Q: a Cable 1 Cable 2- m

A: mass = m = 12 kg =  140 35 0

Q: he is pulled upward at a constant vel Question 14. To hoist himself into a tree, a 72.0-kg man ties…

A: Tension, T = 367 NMass, m = 72 kgAcceleration, a = ?

Q: You are pulling on a box (that has a 5.9 kg mass) by using a rope, pulling upward with a force of…

A:

Q: The following information pertains to questions 1, 2, and 3. A workman pulls a sled across an…

A:

Q: You are helping your friend unload their moving truck. You are starting to get lazy, so you just set…

A:

Q: Two boxes are attached with a massless string that is connected via a frictionless and massless…

A:

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 6.10 kg and the…

A: The free-body diagram of block A is shown below.

Q: There is a worker that slides a heavy box up a ramp into a truck. The box has a mass of 70 kg. The…

A:

Q: 9. A large box is pulled by a person with a force as shown in the figure. The angle 8 = 21°. What is…

A:

Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: A robot pushes a 20-kg giftbox on the horizontal surface as part of the moving job for the holiday…

A: Given term  Mass of giftbox ( m ) = 20 kg  Acceleration due to gravity ( g )  = 10 m/s μs = 0.75 μk…

Q: If the rope makes an angle of 0 = 29.0° with the floor, what is the minimum force Fmin that Ramon…

A:

Q: Sam pushes toward the right on a box with a force of magnitude 31.0 N. Sarah applies an 11.0 N force…

A: (a)there is NO motion in Y-direction,F=N-mg=0N=mgN=98 Ng=9.8m/s2m=Ngm=989.8m=10Kg

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”