Problem 1 Two boxes, A and B, are connected by an ideal (massless) cord and are resting on a smooth (frictionless) table. The boxes have masses of 12.0 kg and 10.0 kg. A horizontal force FP of 40.0 N pulls on the 10-kg box. (a) Find the acceleration of each box. (b) Find the tension force in the cord connecting the two boxes. Solution 1. Sketch the free body diagrams below: 2. Use the free body diagrams you have sketched to apply Newton’s 2nd law separately to each object. 3. Now we can solve our problem. Find (a) the acceleration and (b) the tension force.

Q: 2. Three forces, Ã, B, and C. act on a crate with a mass of 5.0 kg. The forces A = 4.0, east %3D B =…

A: Given quantities: mass of the crate (m) = 5.0 kg   Forces acting on the crate are : A = 4.0 ,…

Q: Problem 15 Three blocks sit on a frictionless, horizontal table as shown in the diagram below. You…

A: (b) Draw the free-body diagram of the blocks as:

Q: Q2. A force F of magnitude 20 N is applied to a block of mass m2 = 1.5 kg, as shown in Figure 2. The…

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Q: Q5 Three forces A, B and C are acting on an object as shown in the figure, what is the magnitude of…

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Q: * (1) A person is dragging a 15kg box along the ground by a rope 30° to the horizontal with a force…

A: Given Data : The mass of the block is given as m = 15Kg. The magnitude of the force acting on the…

Q: QUESTION 7 Consider a block of mass m = 5 kg being pushed up an incline with a coefficient of…

A: Given- Mass of block (m) = 5 Kg Friction (μ) = 0.05 Force (F) = 100 N

Q: 2. An applied force of 20 N is used to accelerate an object to the right across a frictional…

A: For question 2  Given  Fgrav=100 N  Applied force Fapp=20N Frictional force Ffriction=10 N  We take…

Q: Problem 9: A book is resting on a horizontal tabletop. The book is stationary and there are no…

A: Friction force is directly proportional to the normal reaction. Normal reaction can be found out by…

Q: 1> A block of mass 10 kg is acted by the two external forces as shown. If the coefficient of kinetic…

A: Given: The mass of the object is 10 kg. The coefficient of the friction is 0.25. F1=15 NF2=25 Nθ=20°…

Q: Problem 12: A horizontal force, F1, and a force F2 acting at an angle of 0 to the horizontal, are…

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Q: Problem 2 Dan is pulling a box across the floor by applying a force of 250.0 Newtons at an angle of…

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Q: Problem 1 - Friction A person is pushing a supermarket cart by applying a force F = 15 N at an angle…

A: (a) The free-body diagram of the cart is shown below. Here, N is the normal force, a is the…

Q: Problem 13: Two blocks are tied together with a massless string that does not stretch and connected…

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Q: 1. A block of mass m is accelerated across a rough surface by an applied force F, directed at an…

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Q: Problem 1: A 64 kg toy car is affected by five forces at the same time: 80 N south, 15 N east, 35 N…

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Q: Problem 9: A book is resting on a horizontal tabletop. The book is stationary and there are no…

A: Solution: Given: A book is resting on horizontal surface. Book is stationary and no external force…

Q: Problem 12: A horizontal force, F1, and a force F2 acting at an angle of 0 to the horizontal, are…

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Q: 4. Two blocks connected by a rope of negligible mass are being pulled by a horizontal force F. m2 a.…

A: 4(a) The free body diagram (FBD) for the mass m1 is shown below. The FBD for the mass m2 is shown…

Q: Problem 2.The resultant of a certain system of forces has the x and y components shown in the figure…

A: Please note question #5 is repeated twice in the given statement. I have changed the sequence of…

Q: 3. Two blocks of masses m = 3 kg and m = 4 kg are placed on a frictionless horizontal surface and…

A: Given  m1 = 3 kg  m2 = 4 kg  Force ,F = 20 N

Q: Consider two masses M = 3 kg and m = 2 kg. They are connected by a pulley. The objects are moving…

A: Solution:

Q: 3. Two blocks connected by a rope of negligible mass are being dragged by a horizontal force.…

A: Given: Mass of block 1 m1=12.0 kg Mass of block 2 m2=18 kg Force F=68.0 N Kinetic friction…

Q: 1. A 25-kg box is attached to two light ropes and is being pulled in a frictionless, horizontal…

A: Mass of the block is m = 25 kg Force acting on the block in east direction is F1 = 15 N Force acting…

Q: Problem 3: An adventurous archaeologist crosses between two rock cliffs by slowly going hand over…

A: Maximum tension, Tm = 2.50×10⁴ N = 25,000 N  Mass, m = 90 kg Angle, θ = 10°

Q: A woman at an airport is towing her 20.0 kg suitcase with an acceleration of 0.500 m/s2 by pulling…

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Q: Problem 2: Two masses, m1 = 10.0 kg and m2 = 5.0 kg are connected by a string that passes over a…

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Q: PROBLEM A sled is tied to a tree on a frictionless, snow-covered hill, as shown in Figure 4.15a. If…

A: Given, Weight of sled , W = 77 N From figure and Free Body diagram, From newton's second laws of…

Q: 1) A car is waiting at a stoplight. The car has a mass of 1200 kg. What is the force (magnitude and…

A: Introduction: Kinematics is the branch of physics where description of motion completely given.…

Q: Problems 1. A hemispherical bowl (mass 0.5kg) is sitting on a slippery table, so there is no…

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Q: Matthew wants to push a 12.0 kg chair to his desk. The coefficient of kinetic friction is 0.45. a.…

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Q: 4. A block of mass m is held motionless on a frictionless inclined plane by means of a string…

A: (a) Free body diagram is given by,

Q: Two boxes are at rest on a smooth, horizontal surface. The boxes are in contact with one another. If…

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Q: 1. Two boxes A and B are connected by a cord running over a pulley as shown in figure. The…

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Q: Two adults and a child want to push a wheeled cart in the direction marked x in Fig. P4.35 (next…

A: Since the cart moves in x-direction so the child could apply the smallest force along y-direction…

Q: PROBLEM 1: A barge is pulled by two tugboats. If the resultant of the forces exerted by the tugboats…

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Q: 1) How does the mass of the cart affect its acceleration when placed on the horizontal track?

A: Hence the first question says that what would affect acceleration because of the mass of cart,…

Q: A box of mass m1 rests on a smooth, horizontal floor next to a box of mass m2 Suppose the force of…

A: The free-body diagram is

Q: 1. Two people are pushing a stalled car, as the figure indicates. The mass of the car is 1850 kg.…

A: Given that:- Mass of car=1850kg

Q: 1. Two boxes are in contact with each other, sitting on a flat surface. The mass of box 1 is m¡=…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: Problem 14: Using a rope, a man pulls a block of ice across a frozen pond at a constant velocity, as…

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Q: 4. The two boxes are connected by a heavy uniform rope with a mass of 4.00 kg. An upward force of…

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Q: Two forces F1 and F2 act on a 6.80 kg object. Taking F 1= 32.0N and F 2 =21.0N, find the…

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Q: Problem 12: A horizontal force, F1, and a force F2 acting at an angle of 0 to the horizontal, are…

A: A free-body diagram is the diagram that is used to represent the magnitude and direction of all…

Q: 1. A hockey puck having a mass of 0.9 kg slides on the horizontal, frictionless surface of an ice…

A: Dear student The resultant is given as vector sum of all the forces acting on a particle. Also 2nd…

Q: Problem 15 Three blocks sit on a frictionless, horizontal table as shown in the diagram below. You…

A: (b) The figure shows the free body diagram of the block 1. The figure shows the free body diagram…

Q: Problem 6: Ablock with a mass of m = 43 kg rests on a frictionless surface and is subject to two…

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Q: An object of mass m is being acted by the following 3 forces: F1 = 500 N @ 45° North of East, F2…

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Q: 1) The block on a 60° inclined plane weighs 100 pound and is held by the minimum possible force T as…

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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?”