For the lever shown in the figure below find the effort that can lift the load. (Use: g = 9.8 m/s) %3D Effort 120 kg 15 cm 60 cm (Instruction: Type your answer without any unit. Type only the number)

Q: 14) How much effort must be used to raise the 300lbs weight in the figure below. 300 lbs.

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Q: A pulley is 88.5% efficient. You are using it to raise boxes that weigh 1,360 N to a height of 2.60…

A: The given values with suitable variables are listed below. Here, η denotes the pulley’s efficiency,…

Q: A large box is pushed with a force of 300n over a distance of 4m in 8 seconds.How much power?

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Q: A 1,000 -W motor powers a hoist used to lift cars at a service station. -How much time would it take…

A: Given data:  Power (P) = 1000 W Mass (m) = 1500 kg Height (h) = 2 m New Power (P') = 2000 W

Q: Rebekah is using a pulley system to lift a 710 N crate 2.4 m off the ground. The pulley system is…

A: Given that: Load, W=710 NLift, h=2.4 mEfficiency, η=61%=0.61Force, F=130 N

Q: 30.0 m

A: Given:mass, m = 75 kg

Q: A force of 35.0 N acts on the block at the angle shown in the diagram. The block moves a horizontal…

A: Given, force act on the block F = 35 N Horizontal distance d = 10 m   We know that the expression…

Q: What is the minimum work needed to push a 950-kg car 710 m up along a 9.0° incline? Ignore friction.…

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Q: The coefficient of static friction is 0.5 and the kinetic friction is 0.3. How much force is needed…

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Q: se 3: Class - Da Paco rode his skateboard up a ramp for a distance of 3.8 meters. If the ideal…

A: The first question is asking for the height above the ground that Paco reached when he rode his…

Q: A horizontal force of 25.0 N pushes on a 4.00­kg wooden block initially at rest on a wooden floor.…

A: SOlution: given that F = 25 N m = 4 kg v = 15 m/s

Q: Work can only transfer energy into a system. Group of answer choices True False

A: Given statement : "work can only transfer energy into a system" To choose : true or false

Q: Using a pulley you use 4 N to pull up a 24 N crate. Find the MA of the pulley AND how many support…

A: Mechanical Advantage(MA) = (effort force)/(load force) In another words, Mechanical Advantage(MA) =…

Q: Two blocks are connected by a massless string that doesn’t stretch.  One block with mass (= 10kg) is…

A: Given data: The mass of block placed on inclined surface is m1=10 kg. The mass of the hanging block…

Q: A student pushes a couch across a carpet to his dorm room that is 250. meters away. The friction…

A: Work done on an object is given by the dot product of Force applied and displacement of the object…

Q: A constant force of 850 N pushes a 150 kg mass up the inclined plane shown below. The mass moves at…

A: Given :Mass = 150 kgApplied force = 850 NSpeed = 3 m/sHeight  = 2 m Required :Power developed of…

Q: A 148 kg mass is raised 8.4 m in 12.3 s.  What is the power delivered? Use g=9.8

A: Determine the energy, E=mghE=1489.88.4E=12183.36J

Q: weight. What are the readings of the two scales A and B? Neglect the weights of the ropes, pullcy,…

A: Given: The hanging weight is 150 N. The pulley is massless and frictionless.

Q: Two students take turns attempting to jump and spike a volleyball during practice. Each student…

A: a) Power A​ = 336.875WPower B​ = 327.25W b) Work A​=269.5J Work B​=327.25JStudent B performed more…

Q: allison exerts a force of 186 N on a lever to raise a 2.70 x 10^3 N object to a height of 29.0 cm.…

A: Given Effort = E = 186 N Load = L = 2.70 × 103 N = 2700 N Rise of object height = ho = 29.0 cm…

Q: Question 7.Using the following illustrations calculate the required power under the following…

A: GIVEN DATA : MASS OF THE BLOCK , m = 65 kg                            INCLINATION ANGLE OF THE PLANE…

Q: In a geometry lesson, a teacher used the diagram of levers, shown, with the effort and load…

A: The teacher will draw tangent lines from falcrum to show a real life application.

Q: A student is being push on a swing. What is the maximum height, hf, that the student of weight, W…

A: The maximum height that the student can reach on the swing will depend on the initial height, hi,…

Q: Which of the following is the correct way to calculate work? F is the magnitude of the Force and d…

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Q: What is the average useful power output of a jackhammer that does 950 J of useful work in 2.2 hours?…

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Q: A child does 354 J of work while pulling a box from the ground up to his tree house at a steady…

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Q: A box of mass 4.0 kg is accelerated from rest across a floor at a rate of 2.0 m/s^2 for 9.0 s . a.)…

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