A 24.0 kg child is sitting at the top of a slide, which is inclined at an angle of 46 degrees with respect to the horizontal. What is the magnitude of the normal force (in Newtons) acting on the child?

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: Two horizontal forces, F, and F₂, are acting on a box, but only F, is shown in the drawing. F₂ can…

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Q: a)The distance between two telephone poles is 43m. When a 1.59 kg bird lands on the telephone wire…

A: A) Distance between poles (L) = 43 m mass of bird (m) = 1.59 kg wire sags by an amount (h) = 0.124 m…

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: In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging…

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Q: A traffic light is hanging from two cables. Cable #1 pulls up and left, making an angle of 45o with…

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Q: A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She…

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Q: A body of mass 62 kg on a horizontal smooth plane is acted upon by a force F=30 N at an angle 0=30°.…

A: Given Mass = 62 kg Force = 30N Angle = 300 Acceleration due to gravity (g) = 10m/s2

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: 8. Two adults and a child want to push a cart in the direction marked x in the Figure. One adult…

A: The force responsible to push the cart for both the adults would be  80cos(45) = 56.57N  120cos(60)…

Q: A 24.2 kg child is sitting at the top of a slide, which is inclined at an angle of 49 degrees with…

A: M = 24.2 kg  Θ = 49 ⁰

Q: A painting with a mass of 20 kg is suspended by two wires from a ceiling. If the wires make angles…

A: Given data The mass of the painting is: m = 20 kg The angle made by the wire from the ceiling is A =…

Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 66.9 kg skier is pulled up…

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Q: Two forces of 25 and 45 N act on an object. Their directions differ by 70°. The resulting…

A: We have to determine the mass of the body Given that, Force, F1=25 N Force F2=45 N Angle between…

Q: A decoration hangs at rest from a string. A second, horizontal string is knotted to the first,…

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Q: The distance between two telephone poles is d = 52.0 m. When a 0.850-kg bird lands on the telephone…

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Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 64.2 kg skier is pulled up…

A: Analyze the free body diagram of the system. Note: Consider the upward direction normal to the…

Q: A 4.25 kg box is suspended from a system of massless wires attached to a ceiling. The first wire…

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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: Two teams of nine members each engage in tug-of war. Each of the first team's members has an average…

A: Given The average force on the right is F1=1450 N. The average force on the left is F2=1635 N. The…

Q: A 107 kg crate is sitting at the top of a ramp, which is inclined at an angle of 30 degrees with…

A: Mass of the crate is m = 107 kg Angle of inclination of ramp is 30 degrees

Q: You design a system in which a granite block on a cart with steel wheels (weight w1, including both…

A: A free body diagram for the problem has been shown below

Q: A 2 kg object accelerates at a rate of 5 m/s2 to the left, under the influence of two opposing…

A: Mass , m = 2 kg Acceleration , a = 5 m/s2  F1 = 20 N to the right . To find = Magnitude and…

Q: You are going up in an elevator. Initially the elevator accelerates for 2.0 s to 6.0 m/s. Then it…

A: The mass from the weight can be calculated using the standard formula for weight as below,

Q: Refer to the figure. Let the mass of the block be 8.10 kg and the angle 9 be 25.0°. Find (a) the…

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Q: A 2.90 kg object is subjected to three forces that give it an acceleration a = (3.70 m/s? )î + (4.10…

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Q: As 7700 kg airplane glides to a landing. It has a 12500 N [down] force of gravity pulling it toward…

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Q: car (m = 1980 kg) is parked on a road that rises 13° above the horizontal. What are the magnitudes…

A: Mass of car (m) = 1980 kg Angle of road with the horizontal (θ) = 13o above horizontal

Q: A 129 kg crate is sitting at the top of a ramp, which is inclined at an angle of 26 degrees with…

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Q: The two long, straight wires that run along the back of a computer case to power the cooling fan…

A: Given that, Both the wire carries current of 0.110 A The wires are separated by 5.00 mm=0.005 m

Q: a 70kg man successfully pushes a 200kg refrigerator up a 20 angle inclinded slope. he applies a…

A: Given mass of the refrigerator is m=200kgThe mass of the man is mp=70kgThe angle is θ=200The applied…

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 firefighter with a weight of 779N slides down a vertical pole with an acceleration of 3.11 m/s?,…

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Q: A firefighter with a weight of 7 N slides down a vertical pole with an acceleration of 3.00 m/s,…

A: We can start by drawing a free-body diagram for the firefighter. Since the firefighter is sliding…

Q: Three boats are each being pulled by one rope connected to the smallest boat (in a line). The weight…

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Q: A woman's car is stuck in the mud, so she uses a rope to connect the front bumper to a pole, and…

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Q: Only two forces act on an object (mass=4.19 kg), as the drawing. Find (a) the magnitude and (b) the…

A: The resultant of the two forces is given by parallelogram law, F=402+602+2×40×60×cos(45o)=92.7 N The…

Q: Attempt in Progress Three astronauts, propelled by jet backpacks, push and guide a 100 kg asteroid…

A: Given  Mass of the asteroid is m=100 kg Magnitude of the three forces are F1=27 N, F2=55 N and F3=39…

Q: A block with mass m = 11 kg is suspended by two massless identical Take cords. 10 m/s². The…

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Q: A 117 kg crate is sitting at the top of a ramp, which is inclined at an angle of 28 degrees with…

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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!