A passenger is standing on a scale in an elevator. The building has a height of 500 feet, the passenger has a mass of 80 kg, and the scale has a mass of 7 kg. The scale sits on the oor of the elevator. You may take g = 10 N/kg. While it is accelerating downwards hat does the scale read (in newtons

Q: A man weighing 700 N is in an elevator that is accelerating upward at 4 m/s2. The force exerted on…

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Q: A 75 kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 825…

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Q: wooden table. If you apply a horizontal force of 3 N to the block. Using your knowledge of friction…

A: Mass(m) = 0.1 kg Applied force (F) = 3 N

Q: A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given : Mass of the person when elevator starts moving, m = 0.63

Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A: Weight of person , W = 800 N  Acceleration of elevator , a = 0.5 m/s2  Mass of person , m = W/g  g…

Q: girl pushes a cart to the right with a force of 100 N while a boy pushes the cart to the left with a…

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Q: An 82-kg person is standing on a scale in an elevator. What is the reading of the scale in newtons…

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Q: You walk into an elevator, step onto a scale, and push the "down" button to go directly from the…

A: Given Data: The normal weight is: w=635 N The elevator move with constant speed (v=0). So, the…

Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: A student is standing on a scale in a stationary elevator. The scale reads 300 N.  If the elevator…

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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: A woman is pulling her 20 kg-suitcase at constant speed by pulling on a strap at an angle θ above…

A: Given : m = 20 kg F = 40 N fk = 20 N g = 10 m/s2

Q: Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If…

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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…

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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: person stands on a scale inside an elevator at rest. The scale read 800N. What is the person mass?

A: Reading of scale when a person is standing inside a stationary elevator = 800 N

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: It takes the elevator in a skyscraper 3.0 s to reach its cruising speed of 9 m/s. A 50 kg passenger…

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Q: Compute the dot product of the vectors v and w​, and find the angle between the vectors. v=−10i−j…

A: Given: v→=-10i^-j^w→=-i^-10j^ Required: The dot product between the vectors and the angle between…

Q: A 77-kg person is standing on a scale in an elevator. What is the reading of the scale in newtons if…

A: reading of a scale depends upon the force exerted by person on the scale (usually its normal force)…

Q: A person stands on a scale inside an elevator at rest. The scale reads W=666 N. The elevator moves…

A: from the second law of motion F=ma here  F=force acting on the person by the surface of the elevator…

Q: A 1070-kg car is being pulled up a frictionless ramp at a constant speed, as shown in the figure.…

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Q: A 514-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

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Q: A 514-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the…

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Q: 7. A woman whose mass is 60 kilograms is standing on a scale in an elevator that has an initial…

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Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given :-  acceleration = 4 m/s2 F = 45 N

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A: Given, mass=80 kg initial velocity=4j m/s d=2m let constant acceleration be a m/s^2

Q: A helicopter is lifting two crates simultaneously. One crate with a mass of 385kg is attached to the…

A: Given data: Mas of the crate m1 =385 kg Mass of the second crate m2=110 kg Acceleration of the crate…

Q: A 368-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!