What is the ideal mechanical advantage of a wedge with a length of 5 cm and a width of 1.5 cm?

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: Bob and Steve are building a see-saw and want it to balance when they both sit on the ends, but Bob…

A: Given : Weight of Bob is twice as Steve  Find : Where would the fulcrum have to be positioned for…

Q: The 77.0 kg painter in the figure below is using a large stepladder. The base of the ladder is 3.0 m…

A: In this question we are given that the 77.0 kg painter in the figure below is using a large…

Q: A rope pulley system with 3 pulleys in the top and 2 in the bottom is required to lift a load. If…

A: Calculate the useful effort.

Q: A crowbar of length 120cm has its fulcrum at a distance of 20cm from the load. Calculate the…

A: Given:  length of bar,d = 120 cm  load arm, L = 20 cm

Q: Consider the folowing (a) What is the mechanical advantage of a wheelbarrow, such as the one shown…

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Q: A 60lb child and a 150lb adult are each holding 30lb weights and balancing on a seesaw. (a) If the…

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Q: An athlete strengthens her leg and knee by doing "leg curls." While sitting on a bench with the leg…

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Q: A 40-kg door with a height of 2.0 m and a width of 0.80 m is hinged at the end of the door along its…

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Q: eint A at which an additional weight 2w (bwice the weight of th

A: Given,L = 4.50 mθ = 30°μs = 0.520weight of the beam, Wweight of the object, 2W

Q: ever system in static equilibrium has a 300 N resistive force and a 90 N motive or applied force…

A: Let the length between fulcrum  and resistance  is L  resistance is paced at L .  and 90 N is at 1.5…

Q: The figure below shows a horizontal bar, of length 4.2 m, with forces acting on it. A 30 N force…

A: ...

Q: As shown in the figure below, a uniform beam is supported by a cable at one end and the force of…

A: Given Data: Angle (θ) = 30o.Length (L) = 2.75 m.Coefficient of static friction μs = 0.460. To…

Q: shown in the figure below, a uniform beam is supported by a cable at one end and the force of…

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Q: A device used for mixing consists of three identical thin rods extending from a central axle, all in…

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Q: A uniform board that is 6m long and has a mass of 50kg is lying on the roof of a building. At one…

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Q: 9. Calculate the ideal mechanical advantage of a wheelbarrow where the length of the whole…

A: Given:The length of the whole wheelbarrow = 1.8mThe length of effort arm length = 1.8m-0.6m=1.2…

Q: Below a 552 N and beam length L is in equilibrium and is attached to a cable which is pulling it…

A: Let the normal reaction by the wall on the beam = R  This normal reaction will be in the horizontal…

Q: Consider a cantilever viewing platform extending over the rim of a cliff as shown below. In an…

A: Given, The following quantities are assumed known: L (m), M (kg), m (kg), and x (m). The gravity…

Q: You are using a screwdriver to screw in a screw that has a pitch of 3 cm. The screwdriver has a…

A: Givenscrew has a pitch of = 3 cmthe screw driver has a handle radius of = 10 cmgiven efficiency =…

Q: The control lever is subjected to a clockwise couple of 90 N-m exerted by its shaft at A and is…

A: Given,MA=90 Nm clockwiseF=270 Na=165mm=0.165mθ=23°

Q: What is tge mass "P" that will hold the system in equilibrium if each pulley has a mass of 10 kg?…

A: For equilibrium of object net force acting on it must be zero. So force in vertical and horizontal…

Q: A force stretches a (first) wire by 2mm. This wire is made of an unknown material and has a 1.2cm…

A: Given quantities: diameter of the first wire (D) = 1.2 cm length of the first wire (L) = 3.5 cm…

Q: A wooden plank (3 m long) is supported at each end by two support beams. The plank has a mass of 55…

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Q: A plank of mass 87 kg and length 7.8 m is supported by, but not affixed to, two posts which are…

A: Given, A plank of mass 87 kg and length 7.8 m

Q: If you are to add another box with a mass of 5kg, how far from the pivot point should you put for…

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Q: Find the dot product of P =-2.511 + 2.33] - 5.47k N and Q=2.811 -6.09J -1.12k m.

A: Given, P=-2.51 i+2.33 j-5.47 k NQ= 2.81 i-6.09 j-1.12 k mP.Q= -2.51 i+2.33 j-5.47 k.2.81 i-6.09…

Q: The bike is moving at a speed of 4 m/s. The backpack is solid cuboid and its position is on bike…

A: Solution has been attached in step-2.

Q: A uniform plank of length 5.85m and mass 32.8kg rests horizontally across two horizontal bars of a…

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Q: A 4m woooden beam of mass 20kg rests on two scales. A bird is setting on the wooden beam. The scale…

A: Given: Length of wooden beam is 4m. Mass of wooden beam is 20 kg. Reading on the left scale is 100…

Q: Consider a see-saw of total length 5.40m balanced at its center of mass, with a child of mass…

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

Q: What is the ideal mechanical advantage of a screw whose head has a diameter of 0.812 cm and whose…

A: The screw head has a diameter (d) of 0.812 cm and the thread width is 0.318 cm. The circumference of…

Q: A 300N child sits on the left side of a see-saw 1.5m from the center. Where should a 375N be placed…

A: Given, F1=300 N r1=1.5m F2=375 N Let r2 be the distance where 375 N is placed.

Q: 2.5m 450 6m 1. A 500N person stands 2.5m from a wall against which a horizontal beam is attached.…

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Q: he arm of a crane has a mass of 500 kg and a length of 12 m. It is inclined at an angle of 50…

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Q: cat is balanced on the edge of a see-saw. The plank of the see-saw is 1m long, and the wedge is…

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Q: Question 18 A bar weighs 2 N and is 5 m in length What is the weight needed (M) to balance the bar?…

A: The weight  of the bar is 2 N.The length of the bar is 5 m.The hinged point from the left side the 3…

Q: The wheel and axle of a wheel -and -axle have radii 50cm and 10cm respectively. if one -fifth of the…

A:

Q: A medical technician uses a pair of 0.125m long tweezers to remove a wood sliver from a patient. The…

A: What is the mechanical advantage?

Q: Determine the force P required to maintain the 165-kg engine in the position for which 0 = 36°. The…

A: Given data: The mass m=165 kg The angle θ=36°

Q: mechanical advantage ?

A: Given ; Sword blade is 20cm long effort arm= 20 cm  load arm= 2.0 cmCalculate it mechanical…

Q: An aero engine has Hub diameter of 0.36 and a tip diameter of 0.70, what is the radius of the blades

A: To find the radius of the blades, we need to first calculate the common diameter of the blades. we…

Q: A worker is using a 4.0 m long steel bar as a lever to raise one side of a car off the road. The…

A: Solution: Given: L = length of lever = 4.0 m r1 = length of load arm = 0.40 m r2 = length of effort…