Two roomates are disagreeing over where to place a 72 kg couch. Katie is pushing the couch to the right with a force of 410 N, while Rosa is pushing the couch to the left. The couch has an acceleration of 3 m/s2m/s2 to the right. What is the size of the force that Rosa is pushing on the couch with? You can neglect friction between the couch and the floor.  626 N  194 N  706 N  216 N  410. N

Q: If a box with mass of 50 kg is moving on a rough surface with kinetic friction coefficient of 0.7,…

A: The net force on the box is F-f=0F=f=μkN=μkmg                                  1

Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

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Q: 15 A 12 kg block hanging on a string is pulled upward by the string with an upward acceleration of…

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Q: 1. A group of students performed Newton's second law experiment and made a graph of acceleration vs.…

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Q: While standing in a low tunnel, you raise your arms and push against the ceiling with a force of 100…

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Q: Three forces acting on an object are given by  F1 = (−1.6î + 6.55ĵ) N, F2 = (4.75î − 1.2ĵ) N, and…

A: Given : F1 = (−1.6î + 6.55ĵ) N F2 = (4.75î − 1.2ĵ) N F3 = (−44.5î) N Acceleration (a) = 3.90 m/s2

Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

A: The frictional force acts in a direction opposite to the motion of the losing person.From Newton’s…

Q: How much force must be applied in order for a 1200 kg car to maintain a velocity of 4 m/s in a…

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Q: Two forces act on a 55 kg object. One force has magnitude 65 N directed 59° clockwise from the…

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Q: The figure shows a container of mass m1 = 4.9 kg connected to a block of mass m2 by a cord looped…

A:

Q: n 8 of 8 19.3 lb object has the acceleration components (0.) (0). (a63) 0.35 +( 0.65 s2 11.7 s2 0.63…

A: At t=3.67sec

Q: In the figure, a crate of mass m = 121 kg is pushed at a constant speed up a frictionless ramp (0 =…

A: Concept of mechanics and Newton's 2nd law used here.

Q: An Atwood’s machine is made of two masses, a string and a pulley. The string goes over the pulley…

A: Consider the following figure.   Here, a represents the acceleration of the masses and T represents…

Q: What is the force of an object with a mass of 4.0 kg and a acceleration of the 2.0 m/s^2 ? A 8 m/s^2…

A:

Q: Figure (a) shows crude mobile hanging from a ceiling, with two metal pieces strung by cords of…

A: Given :  m1=3 kgm2=4.4 kgm3=5 kgm5=5.9 kgT=198 N

Q: A 40 kg block of cement that is pulled sideways with a net force of 200N. What is the acceleration…

A:

Q: A cart (m=1820 g) is moving horizontally due to a horizontal tension force applied by a string. If…

A: Given that Mass of the cart m = 1820 g = 1.820 kg Acceleration a = 2.8 m/s2

Q: A block is hung from a spring scale, motionless, but being pushed sideways so the scale hangs 40°…

A: Given,angle= 40°vertical force Fy= 36 N

Q: A boat moves through the water with 2 forces acting on it. 1 is 2.1 x 10 to the third N pushed…

A: According to Newton's 2nd law of motion, force F acting on mass m moving with acceleration a is…

Q: The figure shows a container of mass m1 = 4.4 kg connected to a block of mass m2 by a cord looped…

A: Given that - Mass of container (m1) Acceleration To Find - Part (a) - We have to determine the…

Q: 9. A block is pushed across a horizontal surface by the force shown. If the coefficient of kinetic…

A: Let W be the weight of the block. Let Force F be resolved into horizontal and vertical components as…

Q: A 11.63 kg object is being pushed in a straight line along the floor. The graph below shows its…

A: Acceleration is given as rate of change of velocity with time.

Q: A 7.1 kg object experiences an acceleration of 2.1 m/s2. (a) What is the magnitude of the resultant…

A: Given:- A 7.1 kg object = m acceleration = 2.1 ms2 To determine:-  (a) Magnitude of the resultant…

Q: ​An Atwood’s machine is made of two masses, a string and a pulley. The string goes over the pulley…

A: Given: The mass of m1 is 200 g. The mass of m2 is 300 g.

Q: 8. A 115 kg steel box is being pushed across a wooden floor with a force of 800 N. What is the…

A: Please see the answer below.

Q: d. none of the above. QUESTION 11 2 p A 188-pound astronaut in a training exercise experiences an…

A: The expression for force is,

Q: A 2100 kg car experiences a force of 5500 N [S] from the engine and a frictional force of 701 N [N].…

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Q: 10 kg block is sitting on a flat friction less surface . earth gravity: (9.8 meters/second 2) moon…

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Q: What is the Normal force and the acceleration of the object shown in the figure, where F1 = 25 N, F2…

A:

Q: Two ropes are attached to a 40 kg object.  The rope with a 50 N force points along a direction 37…

A: Ans:- Image-1

Q: 1) A force of magnitude 31 N pushes from the left on a horizontally stacked set of blocks made of…

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Q: A force F = 40N perpendicular to the wall acts on the block in the figure of mass m = 2 kg. What…

A: According to the Newton's second law, F-Fs=0F=FsF=μsmgμs=Fmg

Q: Compute the acceleration of each mass in the figure below, and the tension in the rope. Let m1 =…

A: Given data: -  The mass of block 1 is m1 = 1.21 kg. The mass of block 2 is m2 = 2.32 kg.

Q: In the figure, a crate of mass m = 83 kg is pushed at a constant speed up a frictionless ramp (0 =…

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Q: А 3.5kg B 2.75kg

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Q: Jessie,a poor engineering student, decides that the 500 N table saw he just bought is "heavy enough"…

A:

Q: A block of mass M is suspended at rest by two strings attached to walls, as shown in the figure. T1…

A:

Q: A 400 N force is pushing a 100 kg box and makes it acceleration 0.5 m/sec^2. Find only the friction…

A: F=Force on the block=400 Nθ=Angle at which the force is applied=60°Fr=Force of…

Q: 1. A 75 kg box is standing on top of a moving cart. If the coefficient of static friction between…

A: Mass of box m = 75 kg Coefficient of friction u = 0.38 Maximum acceleration of cart a= ?

Q: 7) A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

A: Given data:  Mass (m) = 120 kg Horizontal force (F) = 550 N Coefficient of static friction (μs) =…

Q: #44

A: Given information: The resultant of all the forces (Fr) = 4i N The magnitude of the force (F1) = -5j…

Q: rses/15734/assignments/353736 1. A 5.0 kg object has a set of three forces acting on it, as shown in…

A: mass, m = 5 kg  time, t =  7.5 s

Q: We start with some review problems A crate of mass 22.6 kg rests on a level surface, with a…

A: Given: The mass of the crate is 22.6 kg. The coefficient of kinetic friction is 0.292. The applied…

Q: A 6.7 kg object undergoes an acceleration of 1.5 m/s?. (a) What is the magnitude of the resultant…

A:

Q: In the figure, a crate of mass m = 88 kg is pushed at a constant speed up a frictionless ramp (0 =…

A: Mass of the crate, m = 88 kg Angle of inclination of ramp with horizontal = 30o

Q: 1) The figure shows three crates being pushed over a concrete floor by a horizontal force of…

A: Given data: The applied force is F=440 N. The masses of crates are, m1=30 kgm2=10 kgm3=20 kg…

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?”