If he were to repeat this process by pulling the rope at an angle of 20° above the horizontal, the final velocity of the box ____ increases   ____ decreases  ____ stays the same Justify your answer.

Q: A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2…

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Q: A physics textbook is placed on an inclined slope with an adjustable angle a. The coefficients of…

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Q: A block weighs 100. N and rests on a horizontal surface. If Ms = 0.50 and uk = 0.20 between the…

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Q: The diagram shows a block of mass m -2.50 kg resting on a plane inclined at an angle of 0 -30° to…

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Q: Questions 1, 2, and 3 below refer to a person pulling a box mass m along a frictionless horizontal…

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Q: 1. Find the work done on the trunk by gravity. A. 5.88 kl. В. 2.821. С. zero. D. 1.03 kJ. E. 1.73…

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Q: A block has a mass of M equals 3.5 KG rests on a horizontal plane. The coefficient of static…

A: Given mass block = M =3.5 kg (rests on a horizontal plane) The coefficient of static friction = 0.15…

Q: In a circus performance, a monkey on a sled is given an initial speed of 3.1 m/s up a 26◦ incline.…

A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A student uses a force P of magnitude 55 N and angle 0 = 75° to push a 4.0 kg block across the…

A: Given: The mass of the block is m=4 kg. The magnitude of the force is P= 55 N. The angle with the…

Q: In the figure, a force F is applied on a block of mass m that is on a horizontal surface. The…

A: Given Data:- Force on the block is F Coefficient of kinetic friction between the block and the…

Q: A massless rod of length 1.0 m has two masses (4.2 kg each) attached to it. The axis of rotation is…

A: Given data: Initial length of the rod is, L1 = 1 m Final length of the rod is, L2 = 4 m Two masses…

Q: An axon is the relatively long tail-like part of a neuron. The outer surface of the axon membrane…

A: Given: The value of the dielectric constant is 5. The thickness is 1x10-8 m. The area of the plate…

Q: a crate of mass m = 130 kg is pushed at constant speed up the frictionless ramp (? = 25.0°) by a…

A: Given Mass (m)  = 130 kg Angle θ = 25°

Q: The figure below shows an object with mass m = 5.0 kg pulled up a ramp inclined at an angle of 8 =…

A: a) Draw the free-body diagram of the object.

Q: A 70 kg carte is pulled along a level surface at constant velocity by a constant force of 200N at an…

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Q: The 1.0 kg block in (Figure 1) is tied to the wall with a rope. It sits on top of the 2.0 kg block.…

A: Given: The mass of the upper block is m1 = 1 kg The mass of the lower block is m2 = 2 kg The force…

Q: A book resting on a sheet of ice is given an initial speed vi in the +x-direction. The coefficient…

A: Given quantities: initial velocity = vi  coefficient of kinetic friction = μk acceleration due to…

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m= 5.89 kg. The…

A: Given Data : The mass of the block is given as m = 6.89 Kg. The force acting on the block is given…

Q: A 1350-kgkg car pulls a 330-kgkg trailer. The car exerts a horizontal force of 3.6 ×× 103 NN against…

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Q: force F2=15.1N acting at an angle of 0 to the horizontal are applied to a block of mass m=2.6kg. The…

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Q: a girl is pulling her 6.8kg wagon along a horizontal sidewalk. the force exerted by the girl is 17 N…

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Q: Pushing a block over horizontal surfaces, a person examines their understanding of friction. In the…

A: The frictional force acts in the opposite direction of the motion of an object. If the object is…

Q: A vertebra is subjected to a shearing force of 540 N. Find the shear deformation, taking the…

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Q: Block A in the figure below has mass ma = 3.5 kg and is sliding down the ramp. Block B has mass mg =…

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Q: Three blocks (as shown in the figure) are released from rest and they start to accelerate with a…

A: Step 1: here we have derived the equation of motion of the masses Step 2: here we have calculated…

Q: Two rough blocks are at rest on a slope as shown. Block A mass is 5 kg. Block B mass is 10 kg. The…

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Q: A child has mass 24.0 kg and slides down a 23° incline with constant speed under the action of a…

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Q: 2 crates are connected to each other by a rope. One crate(m=17kg) is sitting by the ledge of a…

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Q: Determine the magnitude of the force P if the kinetic friction coefficient is 0.2 between the crate…

A: Given,coefficient of kinetic friction,μ=0.2mass, m=50 kgfinal speed, v=10 m/stime, t=10 sto find,…

Q: A block with mass m = 5 kg is moving on a rough horizontal surface under the influence of a…

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Q: The coefficient of static friction between a certain car’s tires and an asphalt road is about 0.68.…

A: Given : The coefficient of the static friction between the card and road is Acceleration due to…

Q: m = 5.1 kg pulled up a ramp inclined at an angle of ? = 28° with a force of magnitude F = 33 N…

A: Mass of the block (m)=5.1 kg Angle of inclination of the ramp (θ)=28o Magnitude of force parallel to…

Q: You pull a block of mass m1 = 10 kg towards the top of a plane inclined to 25 and having a rough…

A: Givenm=10 kgAngle of inclined plane,θ=25°Angle of rope,θ'=15°applied Force , F=75 N

Q: Questions 1, 2, and 3 below refer to a person pulling a box mass m along a frictionless horizontal…

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Q: Two packages at UPS start sliding down the 20° ramp shown in the figure. Package A has a mass of…

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Q: A student applies a 100 N force at an angle 30° below the horizontal to a block causing the block to…

A: Given data:  Applied force (F) = 100 N Angle (θ) = 30° below the horizontal Speed is constant…

Q: A 5 kg block is placed on an inclined plane of angle 30 degrees and pushed up the plane with a…

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Q: The coefficient of static friction between an 8 kg box at rest and a 35° inclined plane is 0.70.…

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Q: A 620  kg packing crate is being pulled up a 16 degrees-inclined plane by a rope. The rope is…

A: Given : Mass of crate: 620 kg Inclination of plane θ = 160 Coefficient of kinetic friction : μ=0.3…

Q: A hunter is pulling his sled 45 kg in mass behind him on snow. He exerts a pull of 170 N in…

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Q: A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2…

A: Given, angle, θ = 29° initial speed of the block, u = 1.2 ms final speed of the block is zero as it…

Q: 1280 kg car pulls a 350 kg trailer. the car exerts a horizontal force of 3.6 x 103 N against the…

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Q: A 200 kg crate rests on a floor with carpet. A tired worker pushes with a horizontal force of 600 N…

A: mass = 200 kg applied force (F) = 600 N coefficient of static friction = 0.6 coefficient of kinetic…

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?”