A stack of two crates is being accelerated upwards by two cables. The cables are directly attached to crate 1 and the tension in each cable is 3248 N. You may assume that the masses of the cables are negligible compared to the masses of the crates. The acceleration of the crates is? bottom crate crate 1 is 109 kg. the top crate is 248 kg.

Q: The child pulls the sled up a hill. The hill is inclined at an angle of 10º. The sled has a mass of…

A: θ = 10om = 8 kg a = 0.28 ms2The tension in the rope = T

Q: A physics student, in a stationary elevator, places a 250.0 g mass on an electronic balance. The…

A: Given  mass (m) =250.0 g balance reading (mb)=262.0 g Required acceleration of elevator (a)=?

Q: You are moving boxes into a new apartment. One of the boxes is very heavy, with a mass of 40kg, so…

A: Given data The mass of the box is m = 40 kg. The acceleration of the box is a = 3.2 m/s2. The force…

Q: Zach, whose mass is 85 kg, is in an elevator descending at 11 m/s. The elevator takes 3.3 s to brake…

A: mass of Zach (m) = 85 kg velocity (u) = -11 mstime taken to stop (t) = 3.3 sec final velocity (v) =…

Q: The two blocks in Figure are sliding down the incline. What is the tension in the massless string?

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Q: You create an elevator to get down a cliff.   Your and the bucket’s mass together is 80 kg (m2).…

A: The free-body diagram of the system is shown below. Here, T is the tension and a is the…

Q: A block of mass M is suspended at rest by two strings attached to walls, as shown in the figure. The…

A: We can solve the problem by considering the equilibrium condition as below.

Q: Bob pushes on a frictionless cart of mass 6.8 kg and the cart has an acceleration of 1.2 m/s2. If…

A: Mass, m = 6.8 kg Acceleration, abob = 1.2 m/s² Acceleration, abill = ?

Q: brenda pushes a box horizontally with a force of 200 N (F=200N).  The mass of the box is 50 kg.…

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Q: Sarah stands on a bathroom scale inside an elevator. Sarah's mass is 50 kg. What does the scale read…

A: Given Mass is m=50 kg Acceleration due to gravity is g=9.80 m/s2 Uniform Velocity of elevator is…

Q: An elevator weighing 4.56 N is supported by a steel cable. What is the tension in the cable when the…

A: When an object moves upwardswith acceleration 'a' , effective value of g is   g'   =   g+ a…

Q: A child is rolling a ball down a slide to his friend. The ball has a mass of 3 kg, and the slope of…

A:

Q: A person with a mass of 50 kg is standing on a scale in an elevator that is accelerating upwards at…

A: Mass (m) = 50 kg acceleration (a) = 3.2 m/s2

Q: A 2,056.6 kg elevator is moving upward at a speed of 7.4 m/s. If it takes the elevator 5.4 s to come…

A:

Q: Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

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Q: a test rocket is falling downward at a constant speed (however, it is acceleration in the horizontal…

A: The figure gives the free body diagram of all forces acting on the rocket.

Q: The coefficient of friction between a 40kg piano and the ground is 0.85. What will the piano's…

A: Given data: Mass of the piano, m=40 kg Coefficient of friction, μ=0.85 Horizontal force, F=450 N…

Q: Pulling up on a rope, you lift a 9.42-kg bucket of water from a well with an acceleration of 2.20…

A: Mass of bucket (m) = 9.42 kg Acceleration of the bucket in upwards direction (a) = 2.20 ms2

Q: An 800 lb person stands in an elevator that moves upward slowing with a g/4 downward acceleration.…

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

Q: A scale in the elevator’s floor measures the weight of the passengers, and it has the correct value…

A: Given, a situation where an elevator moves up with a constant speed of v=3.2 m s-1.   Recall that,…

Q: You lift a 7.27-kg bucket of water from a well by pulling on a rope.  You give the bucket an…

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Q: A student tries to push a 30 kg desk across the room. She pushes at a downward angle of 33.2°…

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Q: The horizontal surface on which the objects slide is frictionless. The acceleration of gravity is…

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Q: A force of 40.0 N is applied in the positive x-direction to a block of mass 5.80 kg, at rest on a…

A: Determine the acceleration of the block.

Q: Two blocks are connected by a lightweight string passing over a pulley, as shown in the figure…

A: a) The required tension force b) The required tension force,

Q: A 4 kg mass has just two forces acting on it. One is 10 N up and the other is 10 N down. What is the…

A: given:-  m= 4kg Force acting in up direction = 10N Force acting in down direction = 10 N

Q: What is the diver's acceleration if the magnitude of the drag force is 1185 N? What is the divers…

A:

Q: Seth wants to drag a 20.0 kg. sled over a flat field.  He pulls on the rope horizontally, and the…

A:

Q: An Atwood's machine with a frictionless pulley has mass1 5.9 kg and is accelerating up at 3 m/s2.…

A:

Q: An  Atwood's machine with a frictionless pulley has mass1 = 5.9 kg and is accelerating up at 2 m/s2.…

A:

Q: An astronaut's weight on earth is 800 N. What is his weight on Mars, where g=3.76m/s2?

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Q: What is the Normal force and the acceleration of the object shown in the figure, where F1 = 25 N, F2…

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Q: A 76-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 829…

A: The mass of the man standing in the elevator is 76 kg. So the normal weight of the man on earth is…

Q: An  Atwood's machine with a frictionless pulley has mass1 = 7 kg and is accelerating up at 6 m/s2.…

A: