At an animal circus show, a 900 kg sea lion slides down a wet slide inclined at an angle of 28 0 to the horizontal. The coefficient of friction between the sea lion and the slide is 0.040. What frictional force slows the sea lion’s motion down the slide?

Q: Newton's Second Law in 1 Dimension: A 40-kg crate is being lowered with a downward acceleration is…

A: Mass of the crate is m = 40 kg the downward acceleration of the crate is a = 2 m/s2…

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

A:

Q: A 40-kg trunk sliding across a floor slows down from 5.0 to 2.0 m/s in 6.0 s. Assuming that the…

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Q: A 24 kg crate initially at rest on a horizontal floor requires a 75 N horizontal force to set it in…

A: As the crate is initially at rest on a horizontal floor it is set in the motion when the force…

Q: a box o Cheerios (mass mC = 1.0 kg) and a box of Wheaties (mass mW 3.0 kg) are accelerated across a…

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Q: 5.6 kg desk is being pushed along a classroom at a constant speed of 0.5 m/s. If a force of 34 N is…

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Q: A crate of mass 42.0 kg is being transported on the flatbed of a pickup truck. The coefficient of…

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Q: A 94.4-kg baseball player slides into second base. The coefficient of kinetic friction between the…

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Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 12.3 m/s. Five seconds…

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Q: A horizontal force of 90.7 N is applied to a 56.5 kg crate on a rough, level surface. If the crate…

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Q: A 44-kg box rests on the floor. The coefficients of static and kinetic friction between the bottom…

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Q: A block with a mass of 3.61 kg is at rest on an inclined surface. The surface makes an angle of…

A:

Q: A 50.0-kg crate rests on the bed of a truck. The coefficients of friction between the surfaces are…

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Q: A 68 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 158…

A: a) The maximum value of the static friction force,

Q: A box of mass 33 kg sits at rest on a ramp that makes an angle of 11 degreeswith the horizontal. The…

A: Draw the free-body diagram of the box.

Q: Two blocks of mass M and m are sitting on a horizontal floor. The blocks are touching. The…

A: Since the blocks are in equilibrium in vertical direction, their normal forces must be equal to…

Q: large block of ice is being pulled across a frozen lake. The block of ice has a mass of 300 kg. The…

A: On a flat surface, the normal force on an object is given by N = mg.With this, we can find the force…

Q: Two workers are sliding 390 kg crate across the floor. One worker pushes forward on the crate with a…

A: Consider two workers sliding the crate of mass m, one by pushing in right hand(say) direction with…

Q: A 30-kg box is being pushed along a horizontal surface. The coefficient of static friction between…

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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: the coefficient of static friction between block A and a horizontal floor is 0.320, and the…

A: Given that the coefficient of static friction between block a and a horizontal floor and the…

Q: A student is attempting to move a 30-kg mini-fridge into her dorm room. During a moment of…

A:

Q: A horizontal force of 87.7 N is applied to a 48.5 kg crate on a rough, level surface. If the crate…

A: Given data The horizontal force applied is FH = 87.7 N. The mass of the crate is m = 48.5 kg. The…

Q: A 68.2 kg crate is hung from the ceiling by two wires.  Each wire makes an angle of 12° with the…

A: Given data:  Mass of crate (m) = 68.2 kg Angle (θ) = 12° with the ceiling Required: The tension in…

Q: A child is walking along the sidewalk at a constant speed of 1 m/s while pulling his dog sitting in…

A: Speed of Child (v) = Mass of Dog (m) = 30 kgWeight of Wagon Force (F) = 60 NAngle

Q: The friction coefficient between cleats and turf on a football field is 0.5. What is the greatest…

A: coefficient of friction = 0.5acceleration due to gravity = g g = 10 N/kg

Q: A mover pushes a 30.0 kg crate across a wooden floor at a constant speed of 0.75 m|s. If the…

A: Given data The mass of the crate is given as m = 30 kg. The constant speed of the crate is given as…

Q: A 60.0 kg crate rests on a level floor in a warehouse. The coefficients of static and kinetic…

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Q: A large crate is at rest on a horizontal floor. The coefficient of static friction between the crate…

A: In vertical direction  By, Newton's second law FSin30° + N = mg  N = mg - FSin30°

Q: a box of books weighing 30-kg is pushed across the floor of an apartment by a force of 300 n exerted…

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Q: A block is placed on the midpoint of a ramp that is inclined at an angle of 39.8º from the…

A: The net force acting on the block is, According to the newton’s second law of motion,

Q: A 105-kg baseball player slides into second base. The coefficient of kinetic friction between the…

A: (a) The frictional force is given by, f = µkN f = µkmg f = 0.659 * 105 * 9.8 f = 678.11 N

Q: Scenario: You pull on a 7.9 kg block with a rope exerting a 34 N tension force that is directed 16…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: