A person sits on a sloped hillside. Is it ever possible to have the static friction force on this person point down the hill? Explain.

Q: The coefficient of static friction between the 3.00-kg crate and the 35.0° incline of Figure is…

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Q: Suppose a 4.32 kg crates sits in a ramp. The ramp makes a 37.0 degree angle with the horizontal. The…

A: Given: Mass of crates (m) = 4.32 kg Angle of inclination (θ)= 37.0 coefficient of static friction…

Q: A 336-kg crate rests on a surface that is inclined above the horizontal at an angle of 22.8°. A…

A: Concept: The Free Body diagram of the system is given below Given: The Mass of the crate = 336 kg…

Q: *49. ssm A person is trying to judge whether a picture (mass = 1.10 kg) is properly positioned by…

A: Free body diagram,                             Given,             Mass of the picture, m = 1.10 kg…

Q: You have been asked to design an escape ramp for trucks in a downhill 40 mph zone. Assuming a truck…

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Q: A person pulls a wooden crate with mass 17.5 kg across a wooden floor 5.00 m. The person applies the…

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Q: D) A woman dragging a 20 kg suitcase with a 45 N force at an angle θ = 300 from horizontal at a…

A: solution as

Q: a 30 kg crate rests on a horizontal floor, and a 60 kg person is standing on the crate. determine…

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Q: A 51.5-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic…

A: Given data:  Mass (m) = 51.5 kg Coefficient of static friction (μs) = 0.592 Coefficient of kinetic…

Q: A 2.17-kg object is situated at rest on a horizontal surface with a static friction coefficient of…

A: Given data:  Mass (m) = 2.17 kg Coefficient of static friction (μs) = 0.56 Required: The maximum…

Q: Problem#2: On an unbanked road, a vehicle travels at 42 mi/h constantly on a circular motion of…

A: The net force acting on an object is the product of the mass and the acceleration of the object. The…

Q: A racecar traveling at a constant speed of 25 m/s drives around a flat circular track that is 600 m…

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Q: A 397 N crate rests on a ramp; the maximum angle just before it slips is 33° with the horizontal.…

A: Concept: The Schematic diagram of the system is Here, N= Normal Force N=mgcosθ And, Fs= Static…

Q: Of the following statements, indicate on the line whether they are true (T) or false (F): ___ The…

A: Given  Let the friction force between two surface is given as F,  Let m be the mass of object , and…

Q: You are lying on your back on a drawbridge. The drawbridge suddenly begins to lift. As the angle…

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Q: object is situated at rest on a horizontal surface with a static friction coefficient of 0.33.…

A: Static friction fs = uN

Q: You are trying to push a box with a fragile vase sitting on top of it across the room. Starting the…

A: Given: The box starts from rest. Distance moved (s) by the vase and the box is 5 meters. Time (t)…

Q: crate is at rest on a level surface. If the coefficient of static friction between the crate and the…

A: Given:- The mass of the object m = 40 kg  the coefficient of static friction between the crate and…

Q: Part of a roller-coaster ride involves coasting down an incline and entering a loop 8.20 m in…

A: Given, the diameter of the loop is 8.2 m. So the radius of the loop, R=4.1m   Let the mass of the…

Q: A car (m= 1900 kg) is parked on a road that rises 12° above the horizontal. What are the magnitudes…

A: Given value--- Mass = 1900 kg. Angle = 12 degree We have to find--- Normal force? Static friction…

Q: Someone is dancing on a revolving dance floor. The floor completes 3 revolutions every 5 minutes and…

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Q: The coefficient of static friction between Teflon and scrambled eggs is about 0.029. What is the…

A: Given:Coefficient of friction between teflon and scrambled egg = 0.029

Q: A car starts from rest and is traveling at 60 mph after 15 seconds. The driver immediately lifts…

A: As V=Vi+at S=Vit+1/2at2

Q: A mass of 20 kg is suspended from a ceiling by two lengths of rope that make angles of 60° and 45°…

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Q: A man is pulling two boxes, one on top of the other, up the ramp shown by pulling on a rope parallel…

A: We need to find out the magnitude of the maximum acceleration the man can pull the boxes up the ramp…

Q: A race car rounds one end of a speedway. This end of the track is a turn with a radius r of…

A: Speed = v = 62mi/h v = 90.93 ft/s. [1mi/hr = 1.467 ft/s] Radius of track = r = 187 ft. ac =…

Q: There are nine books in a stack, each with a weight of 5.5 N. The coefficient of friction between…

A: Given that - Weight of each books Coefficient between the table and bottom book.

Q: A 49.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic…

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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 10kg monkey is hanging from branches. The angles that the monkeys arms make with the horizontal…

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Q: A 100kg table sits on a horizontal floor. The coefficient of static friction between the table and…

A: Given :  Mass of table, M =  100 kg  Mass of box, m = 20 kg  Coefficient of static friction, u = 0.4…

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box the…

A: The mass of the box=55kg.The coefficient of static friction =0.30.The coefficient of kinetic…

Q: There is a box on a surface. As the angle of inclination of that surface increases, the box suddenly…

A: Introduction: Here, the angle of the inclination increase then the object starts to slide on the…

Q: A car is traveling at 50 mi/h on a straight horizontal highway. TI on the brakes to stop the car. a)…

A: initial velocity velocity of the car, V1 = 50mi/h =50 * 1 / 2.237 m/s = 22.35 m/s    final velocity…

Q: A body of mass M = 10 kg drags another of mass m = 2 kg as shown in the figure. The pulley and the…

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Q: A pickup truck carries cans of paint in the back bed. The coefficient of static friction between the…

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Q: 270 N 50°7 B 400 N 30 D 30

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Q: The floor of a railroad flatcar is loaded with loose crates having a coefficient of static friction…

A: Initial velocity (U)= 51 km/h = 14.16 m/s  Final velocity (V) = 0 m/s Coefficient of friction (µ) =…

Q: A 20 kg refrigerator was placed on the cement floor in the dining area. The coefficient of static…

A: Given data:  Mass (m) = 20 kg Coefficient of static friction (μs) = 0.25 Horizontal force (F) = 13 N…

Q: A different coin is placed on a different book while it is flat (level with the ground). It is…

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Q: The coefficient of static friction between hard rubber and normal street pavement is about  0.89. On…

A: Given that coefficient of static friction between rubber and normal Street pavement is 0.89. Then We…

Q: A car is rounding a tight curve on a winding road. If the radius of curvature of this curve is 10.0…

A: Given data The gives the radius of the road is R = 10 m The static friction is given as μs = 0.80.…

Q: What maximum distance can the truck travel

A: Given that,Friction coefficient = 0.18Time = 4.0 sInitial velocity = 0We need to calculate the…

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: