A boy steps off a dock onto a rowboat. If the boy’s foot applies 10 N of force against the dock, how much force does the dock push back with to propel him toward the boat?

Q: a mass of m=22 kg is hanging from a string connected to a hook on the ceiling. The configuration is…

A: Given: mass attached with string is m=22kg  The system is at rest

Q: Two ropes apply a force to a boat. The first is 800 N in the positive x direction, and the second is…

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Q: Two forces act on an object. One force has a magnitude of 10 N directed north, and the other force…

A: Given data:  Two forces acting on the object F1 = +10 N F2 = -2 N Required: The net force on object

Q: A lumberjack is trying to drag a small tree that he cut down. If the static coefficient of friction…

A: SOlution: given that trees weight W = 430 N coef of friction = 0.5

Q: A picture with a mass of 0.30kg is hung from a wall. The single wire that the picture is suspended…

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Q: Rank the following objects based on the Net Force they experience. Put them in order from least…

A: The Net force with net horizontal Fx and vertical force Fy is given by, F=Fx2+Fy2

Q: A 39.9-kg crate rests on a horizontal floor, and a 70.6-kg person is standing on the crate.…

A: (a)Consider the system of the person, crate and the floor. The forces acting in the vertical…

Q: A force of 50 N acts to the right on a box and a force of 20 N acts to the left on the box. The net…

A: 50 N force acts to the right on a box 20 N force acts to the left on a box

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

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Q: Two coplanar forces F1 and F2 are acting on an object. F1 has a magnitude of 10N directed at an…

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Q: Returning from a rainy hike in the woods, you find that your car is now stuck in mud. Youdecide to…

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Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to find the acceleration of the blocks and the tension in the…

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.51 m/s2. If the river is…

A: Initial velocity = 0 msAcceleration (a) = 1.51 ms2Force (F) = 0.79 N

Q: Siri is exerting a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at a…

A: Force Applied = F = 36 N Weight W = Normal force N = 52 N Coefficient of kinetic friction = μk = ?

Q: Two blocks of masses m,-6.00 kg and m,-4.00 kg are placed in contact with each other on a…

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Q: A 25 N object requires a 5.0 N force to start moving over a horizontal surface. What is the…

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Q: On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.20-kg basket of…

A: Mass of basket: m = 1.20 kg Force applied by wolf: FW = 6.40 N Angle between wolf force and…

Q: A 821-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

A: Given: The mass of the car is 821 kg. The initial speed of the car is 0 m/s. The final speed of the…

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: Block 1 (m1 = 4 kg) and block 2 (m2 = 7 kg) are adjacent to each other on the surface of a table.…

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Q: A block of mass m sits at rest on a rough inclined ramp that makes an angle with the horizontal.…

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Q: A 32.3-kg crate rests on a horizontal floor, and a 68.8-kg person is standing on the crate.…

A: Given that a 32.3kg crate rests on a horizontal floor and 68.8kg person is standing on the crate…

Q: True/False:  Air resistance is a force that only happens when an object is moving.   True/False:…

A: “Since you have posted multiple questions, we will provide the solution only to the first five…

Q: Person A, is tired pulling Person B and his wagon . So, Person B lets Person A to sit on his wagon…

A: According to Newton's second law Net force = mass × acceleration  Friction force = coefficient of…

Q: 8.5 kg crate is hung from the ceiling by two wires. Each wire makes an angle of 85° with the…

A: Given data:  Mass (m) = 8.5 kg Angle with ceiling (θ) = 85° Required: The tension in one of the…

Q: Three forces act on an object. The first force of 10 N acts East, and the second force of 10 N acts…

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Q: A person weights 686 Newtons. On their way home they see an Ice patch .they run and slide across the…

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Q: A 6.0-lb stroller resting on a horizontal floor is pulled by a 85-lb boy with a constant force of…

A: Given mass of stroller ms = 6 lb = 2.72 kg mass of boy mb = 85 lb = 38.56 kg value of Force F = 75…

Q: A 99-N crate rests on a rough horizontal floor.  A person applies a 18-N horizontal force to this…

A: If applied force is less than limiting friction then body remain at rest. And static friction equals…

Q: A bridge that was 11.2 m long has been washed out by the rain several days ago. How fast must a car…

A: The given data are: l=11.2 md=3.3 m Here, l is the length of the bridge and d is the distance.

Q: What force must Joe apply to the handle?

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Q: A train is equipped with a 50 Mg engine and three cars which each have a mass of 30 Mg. The train…

A: We know that, if we want to move an object we need to pull or push it externally. Without external…

Q: (a) A 50 kg crate is at rest on a horizontal surface. Draw free-body diagram. What is the force of…

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Q: A couple of hotel workers are trying to get a new couch into a suite. They soon realized that it…

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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: Freaks yon. Consider two blocks, A and B, where m, < mp. They are pulled by a horizontal force with…

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Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to understand how the tension in the string connecting two blocks A…

Q: A 1000-kg elevator is rising and its speed is increasing at 3 m/s². The tension force of the cable…

A: Given that Mass of the elevator (M) =1000kg Acceleration (a) =3m/s2 Acceleration due to gravity (g)…

Q: 35° push

A: The coefficient of kinetic friction between the couch and the wall. given,

Q: Four forces act on an object and are given by A = 37.3 N east, B = 38.3 N to the north, C = 62.7 N…

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Q: Given in the figure are two blocks A and B of weight 20 N and 100 N, respectively. These are being…

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Q: Three different forces act on an object. They are: F1 = F2 = F3 = Find the net force Faet on the…

A: Write the net force of the object. Fnet=F1+F2+F3

Q: Four people (A-B) push heavy crates across a level surface. Each crate is on an ideal, wheeled cart…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!