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Q: A box rests on a horizontal surface. You apply a force on the box of F = 100 N at an angle, θ, below…

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Q: A kangaroo with a mass of 63 kg is standing on a scale in an elevator.  As the elevator rises, the…

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Q: A net force F⃗  is required to give an object with mass m an acceleration a⃗  .  If a net force 6F⃗…

A: From Newton Second law Force = mass× acceleration  F = m×a  .... (1)

Q: An Object with a mass of 6.2 kg accelerates 12.3 m/s2 when an unknown force is applied to it. What…

A: Given value--- mass = 6.2 kg. acceleration = 12.3 m/s2  . We have to find--- force ?

Q: A student's true weight is 407 N (magnitude), and apparent weight at a certain time is 515 N…

A: Given value--- true weight = 407 N. apparent weight = 516 N. We have to find--- Acceleration?

Q: In an experiment, a student exerts a force of 18.0 N on a 8.75 kg oak block to keep it moving at a…

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Q: Consider the folowing situation: A 2 kg box on an inclined frictionless table pulled up the incline…

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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…

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Q: A falling body on Earth will generally not fall at constant acceleration in reality, due to air…

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Q: Two ropes apply a force to a boat. The first is 100 N in the positive x direction and 100 N in the…

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Q: You are standing on the floor of a stationary elevator.  You weigh 99.7 kg, what is the magnitude of…

A: Given  Mass of man m=99.7kg Free body diagram is shown below

Q: A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in…

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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: Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. The…

A: For Block A, Frictional force, Fk=μk.mA.g.sinθ, μk= Coefficient of kinetic friction Component of…

Q: (a) (b)

A: from fig. (a) 2T = mg2 (92.4) =m (9.8)m = 184.89.8 =18.85 kg

Q: What is the magnitude

A: 0.346 m/s2

Q: You are pushing a 10 kg table across a level floor with a force of 30 N. You are causing it to…

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Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: A horizontal force pulls a 50 kg bag of sand across the floor.  What is the minimum force required…

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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: The coefficient of kinetic friction between the box and the ramp is 0.15, the mass is 25.4 kg, and…

A: Given data *The given mass of the box is m = 25.4 kg *The angle is θ=150 *The coefficient of kinetic…

Q: Suppose you have a 150 kg wooden crate resting on a wood floor, with coefficient of static friction…

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Q: Consider an inclined plane with a 1 kg block on it.  The plane makes an angle of 34 degrees with the…

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Q: A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in…

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Q: A woman pushes a block of mass m = 25.0 kg up a rough plane sloped at an angle of θ = 20◦ by using…

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Q: If a mass of 4.01 kg object is attached to a string. If the force of tension in the string  is 51 N…

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Q: A book with mass = 2.25 kg rests on the surface of a bar. The coefficient of static friction between…

A: Part(a)  :    a=g(μs​−μk​) Part(b) :    2.646 m/s⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠2 Explanation:

Q: What is the tension in the cable that is lifting a 3500 kg elevator if the upward acceleration of…

A: Since the elevator is accelerating upward, the net force is given by F=T-mgma=T-mgT=ma+g Substitute…

Q: A block is being pulled along a horizontal surface by a force of 30 N at an angle of 25 degrees…

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Q: You are standing on a bathroom scale inside an elevator. Your weight is 144 lb, but the reading of…

A: Solution: Given: 1 lb (weight) = 4.448 N 1 lb (mass) = 0.4536 kg g = gravitational acceleration =…