A frustrated farmer is trying to move a large rock from his land. The stone has a mass of 9.00×102 kg. By using a piece of board as a lever and a fulcrum the farmer will have a better chance of moving the rock. The farmer places the fulcrum 0.266 m from the rock so that the edge of the board is located directly under the center of the weight of the rock. The farmer can exert a maximum force of 632.0 N. Calculate the minimum total length of board needed to move the stone?

Q: Pusheen, the cat, experiences three forces as shown in the following figure. The magnitude of the…

A: Fx=F1x+F2x+F3x=-5.0 N+0 N+3.0 Ncos60°=-3.5 N y component of net force. Fy=F1y+F2y+F3y=0 N+9.0 N+3.0…

Q: Your and your friend are going on a hike and your friend accidentally falls into a well. You have…

A: Given: Mass of man is 70 kg. Depth of well is 15 m. Maximum tension the rope can withstand is 700 N.

Q: Big Sister and Little Brother are balanced on a see-saw.  Big Sister sits a distance of 1.13m away…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: a) Which method will get him up the well the fastest without breaking the rope, option 1 or option…

A: a) Analyze the following figure. For option 1, Applying Newton’s 2nd law in the vertical direction.…

Q: m = 500 gg mass in (Figure 1) is pushed across the 2.0-m-long cart of mass 2.5 kg by a 3.0 N force,…

A:

Q: omponent is sist a force b

A: Forces and couples acting on the machine component can be drawn as,

Q: A worker places an aluminum ladder on a horizontal concrete slab against a vertical wooden wall at…

A: Given that: Given that:Angle of ladder with vertical wooden wall, α=30°Length of the ladder, L=5…

Q: 6. A block of mass 2 kg is free to move along the x-axis. It is at rest and from t=0 onwards it is…

A: A 2 kg block's freedom to move along the x-axis is known.It is at rest and is subject to a…

Q: To run Slap-chop and use Sham-wow you need to be in shape. For a work out, the man in the figure…

A: Spring constant, k = 71.5 N/m Maximum length, X = 84.58 cm = 0.8458 m Initial length, x = 37.79 cm =…

Q: A wooden stick, 1.00 meters in length has a mass of 213 g. There are masses located on this wood…

A: Given: Length of stick : 1 m Length  of mass : 213 g Mass coordinates at various points of stick :…

Q: ladder

A:

Q: A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The…

A: L = 0.877 m m = 1.23 kg Initial angular velocity = 0 rad/secFinal angular velocity = 6.61 rad/sec…

Q: You have been hired as an expert witness in the case of a factory owner suing a demolition company.…

A:

Q: A block that is 5 m wide and .5 m tall is subjected to three forces and a moment as shown in Figure…

A: For block to be in equilibrium  1. Net force on the block is zero. 2. Net torque about any point is…

Q: A farmer is trying to bring down a couple of bags of cattle feed (mass 70kg) from the 2nd floor…

A: According to the law of conservation of energy, the expression can be written as…

Q: A student sees a kid riding a seesaw on a playground. The student noticed that when a parent joins…

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Q: A uniform 5.0 m long 25 kg plank is to hold two people washing windows on a downtown skyscraper. The…

A:

Q: Tarzan, who has a mass of 80 kg, holds onto the end of a vine that is at a 12° angle from the…

A:

Q: A 13-kg dog jumps up in the air to catch a ball. The dog's center of mass is normally 0.20 m above…

A:

Q: A 10-m long homogenous beam with a weight of 50N is divided into 10 equal parts (1 m each) as shown…

A:

Q: A participant in a "strongman" competition uses an old-fashioned device to move a large load with…

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Q: A bench is made by placing a 3.9 meter long plank on two legs, each 0.36 meters from one of the…

A:

Q: Figure 6 shows a metal rule of mass 200 g supported by a pivot at the 20 cm mark and a string at the…

A: Ans - option  B.

Q: In a physics experiment, a metal bar is balanced on a fulcrum. A 5.0 kg mass is placed on the bar,…

A:

Q: The figure below shows a claw hammer being used to pull a nail out of a horizontal board where 8 =…

A: Given Data The Angle is:θ=28.4° The mass of the hammer is:m=1 kg The horizontal force is:F=155 N…

Q: ratio of their kinetic energies after the release

A: Given: Two blocks are connected by a compressed spring between them. Mass of one block is twice of…

Q: Big Sister and Little Brother are balanced on a see-saw. Big Sister sits a distance of 1.13m away…

A: Please see the attached image for the solution.   If there are queries or if the image is not…

Q: Problem 7: Three children are trying to balance on a seesaw that is 3.2 m long. Two playmates are…

A: Given:mass of A, ma = 45 kgmass of B, mb = 35 kgmass of C, mc  = 25 kglength of the 3.2 mpivot is at…

Q: You place a 10 kg brick 0.75 m to the right of a fulcrum. You then place a flower pot 1.5 m to the…

A: according to mechanical advantage . we have  brick weightflower pot weight=distance from fulcrum to…

Q: Jerome has made the system in the picture. The boy knows the mass of the first block is 3.00 kg. The…

A: Given, The mass of the block is m1=3kg The mass of the ball is m2=2kg mass of the pulley is…

Q: bamboo poles points B, C, ground supports laced at their other end at Point A. The TV antenna with a…

A:

Q: The beam has multiple distributed loads acting on it. What is the magnitude of the reaction at…

A: For the given system,

Q: Consider a beam of length L = 11 feet with a fulcrum x feet from one end as shown in the figure. Two…

A: Consider the clockwise direction of the moment as negative and the counterclockwise direction of the…

Q: A 4.8 m ladder rests against a wall as shown. The ladder has a mass of 26.4 kg. A 57.6 kg person…

A:

Q: A farmer is trying to bring down a couple of bags of cattle feed (mass 70kg) from the 2nd floor…

A: Given that,Radius of the disc pulley : (r) = 0.75 (m)Mass of the disc pulley : (m) = 4…

Q: A wooden plank of length L and mass M is placed against a wall and connected to a rope at an angle 0…

A:

Q: a 15 kg block is held in place via a pulley system. The person’s upper arm is vertical; the forearm…

A: Mass of the block,   Mass of forearm and hand together,

Q: 7. Granny couldn't afford to get repairs on her car, so it no longer has a functioning engine. She…

A:

Q: You hold up a long pole with a length of 4.0m and a weight of 108N so that it makes an angle of 75°…

A: Given: The length of the pole is 4.0 m. The weight of the pole is 108 N. The angle that the pole…

Q: .Estimate where a pivot should be placed beneath the lowest block so that the system would balance…

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Q: The two masses (m1 = 5.1kg and m2 = 2.9kg) in the Atwood's machine shown in the figure are released…

A: Given: Mass m1 = 5.1 kg. Mass m2 = 2.9 kg h1 is = 0.77 m The speed of m1 is v1=1.7 m.s-1 Let the…

Q: Two ice skaters, with masses of 54 kg and 70.2 kg, are at the center of a 69.27m diameter circular…

A: Given the mass of the two skaters m = 54 kg and M =70.2 kg Radius of the circular rink is r =…

Q: 4. My bathroom scales read in kilograms, meaning that, if I put a mass m on top of them, in…

A:

Q: A 1.50x103 kg car, whose front is facing to the right (towards +x-axis) and whose engine is turned…

A:

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your…

A: For the ladder to not slip, it must remain in translational as well rotational equilibrium. The…

Q: An arrangement of two pulleys, as shown in the figure, is used to lift a 69.0-kg crate a distance of…

A: Mass of Object:P=69 kgObject lifted the distance of:h=3.83 m