You are holding a bulletin board weighing 8.32 n in place against a wall your friend it to the wall while your friend secures it to the wall .To it from slipping apply perpendicular to the board, pressing it directly into the wall .How large must this force be if the coefficient of friction with the wall is 0.43?

Q: One end of a uniform, 4-m-long rod of weight, W, is supported by a string. The other end is resting…

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Q: How much force would it take to break an aluminum wire that has a diameter of 0.22 cm?

A: The diameter of aluminum wire is given as d=0.22 cm

Q: In the figure, a uniform rod of mass m is hinged to a building at its lower end, while its upper end…

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Q: Determine the magnitude of the force P required to hold the 170-kg crate in equilibrium.

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Q: 15) Suppose a horse leans against a wall as in the figure below. The total mass of the horse and…

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Q: a) A rigid, uniform rod has a length L and a weight of 200 N. An object weighing 300 N h from the…

A: Weight of rod,                        Weight of the rod hanging from the left end of the rod at L/3…

Q: A person bending forward to lift a load "with his back" (Figure a) rather than "with his knees" can…

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Q: A 20.0-m-long uniform beam weighing 700 N rests on walls A and B, as shown in the figure below.…

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Q: A uniform steel beam has a mass of 890 kg . On it is resting half of an identical beam, as shown in…

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

Q: When just a single force is present, can an item be in equilibrium? Explain.

A: Equilibrium system.

Q: A horizontal beam weighs 451 N, and its center of gravity is at its center.  Find the vertical…

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Q: The soles of a popular make of running shoe have a force constant of 2.2x10° N/m . Treat the soles…

A: Given: Force constant (k) = 2.2 * 105 N/m Mass(M) = 62kg

Q: The smooth uniform rod AB is supported by a ball-and-socket joint at A, the wall at B, and cable BC.…

A: Introduction: Compression force occurs when a physical force presses inward on an object, causing it…

Q: Q20 A plastic dowel has a Young's Modulus of 1.50 ✕ 1010 N/m2. Assume the dowel will break if more…

A: Given  Young's modulus Y=1.5×1010 N/m2 maximum stress Emax=1.5×108 N/m2 Diameter d=2.30cm Radius…

Q: Why can’t you put your heels firmly against a wall and then bend over without falling?

A: When a person put heels firmly against a wall and then bend in the forward direction, the person…

Q: A cook holds a 2.17-kg carton of milk at arm's length (see the figure below). What force FB must be…

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Q: beam of weight 1500 N is hinged at one end to the wall. The beam makes an angle of 37° with e wall.…

A: Weight of the beam( W) = 1500 N

Q: A 50-kg is held in place by two wide ribbons. The first ribbon makes a 30° angle to the left of with…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.