13 12 30 lb -3 ft- B -3ft- 4 ft 4 ft E -3ft- F
Q: 3. Find the distance from axis A to the weights. By 2nd condition of equilibrium 7 m A A В v Wz= 18N…
A: Total length = 7 m W1 = 18 N W2 = 10 N Let the distance of W1 from axis A = d Distance of W2 from…
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A: 1. Given data The mass of the vehicle is given as m = 1450 kg. The height is given as h = 23 m.…
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A:
Q: . What is the van moving KE of a 3 500 kg at 65 km/h?
A: Given data: Mass of the moving van (m) = 3500 kg Velocity (v) = 65 km/h Required: The Kinetic…
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A: The force in cord BC and the distance y so that the 200-kg crate can be supported. given, mass of…
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A:
Q: 5. What potential energy does a 60.0-kg gymnast acquire in climbing 7.00 m up a vertical pole?
A:
Q: A 50kg man is on a ladder hanging from a balloon
A: Pdf of key points to Solve problems in this case is attached below. I hope it will…
Q: . You use 40 J of energy to rise a 250 N object. How far high did you lift it
A: Given Potential energy is U=40 J Weight of an object is mg=250 N
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Q: Airflow lifts a 3.6 kg bird 50 m up. How much work was done by the flow?
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A:
Q: 7. Determine the minimum force P that can hold the 13.5-lb weight shown in Figure P7-7.
A: The frictional force on a body is given by Ff = μN, where μ = coefficient of friction N = normal…
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A: Given Power (P)=5500 w speed(v) =4.3 ms-1 Required force(F)=?
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Q: A boy applies a steady force of 32 N to a cart and pushes it 12 m in 16 s. What is his power
A:
Q: 14. Calculate the total work done by the system from z, = 1.40 m to a; = 4.80 m when force applied…
A: Given data: The initial position of the system is, xi = 1.40 m The final position of the system is,…
Q: 3. A 5-kg bag is gently pushed off the top of a wall and swings in a vertical plane at the end of a…
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Q: A motor boat moves at a steady speed of 4 m/s. Water - resistance acting on it is 1035 N. Calculate…
A: Given data : Force = F Speed of the boat =…
Q: 1. A farmhand pushes a 26-kg bale of hay 3.9m across the floor of a barn. If she exerts a horizontal…
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Q: m = 0.045 kg k = 490 N/m Δx = 0.13 m 2.2 J lost due to friction v = 6.4 m Find h.
A: Given: mass m=0.045 kg k=490 N/m ∆x=0.13 2.2 J is lost due to friction, v=6.4 m To find: h=?
Q: b) a=0.195 m/s', T=49.98 N No friction e- 32
A:
Q: (V-Vj? is а. >0 b. average V Ос. C. zero (0) d. < 0
A:
Q: Apply the work equation to determine the amount of work done, in N-m, by a 121 N force applied at an…
A:
Q: 1. If person holds a weight for an hour, why would physicists say that no work was done?
A:
Q: 7. Determine the total work required to accelerate a vehicle of mass 1500 kg from 10 m/s to 25 m/s.
A: Given, Mass , m = 1500 kg Initial velocity = 10m/s Final velocity = 25m/s Work done = change in…
Q: 9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by…
A: We have a load of mass m=10 kg which is hung from a wire casing an extension of h=2 m and…
Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…
A: Given that-Mass, m=100 kgHeight, h=30 mWe know that-Acceleration due to gravity, g=9.8 m/s2
Q: ILit UI the frame and compr -30 lb 20" 12" (D 50 lb 20 12" E 30"서
A: Given:
Q: 5. If you tried to lift the object but couldn't, was any work done? Explain your answer.
A: Lets assume the force on the object to be F. And Displacement to be d. But as we couldnot lift the…
Q: TVIRN To what height should a box of mass 150 kg be lifted, so that its potential energy may become…
A: Given that The mass of the box(m) = 150Kg Potential energy(P) =…
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A:
Q: Find max e.
A: Torque acting downwards is given by ,τd=W×L2×cos(θ) Torque acting upwards is given by ,τu=N×L×sin(θ)…
Q: 1. How much power is required when using a 12 N force to push an object at a velocity of 3 m/s?
A: Given data : Force "F"= 12N Velocity "v"= 3m/s
Q: Determine the potential energy of the 250-g book if it fall from the roof of a building with a…
A: Given data: Mass (m) = 250 g = 0.250 kg Height (h) = 25 m Required: The potential energy
Q: Question 10) Sasha pushes a 15 kg cart full of donated books through a 5.0 m fong starting area. The…
A: Given data The mass of the cart is m = 15 kg The starting distance of the cart is d = 5 m The…
Q: Calculate the value of force applied if work done is 190 J and displacement is 12 m.
A: Work done by the force, W=190 J Displacement of the object, d=12 m Work done is the product of force…
Q: A man pushes a lawn mower on a level lawn with a force of 187 N. If 26% of this force is directed…
A: P=Wt=26%Fdt
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