You know your weight is 680 N, but when you stand on a scale in an elevator it tells you that your weight is 600 N. Which of the following describes the motion of the elevator? Moving downward at constant velocity Accelerating downward Accelerating upward Motionless

Q: The acceleration due to gravity at sea level is g = 9.81 m/s2 and is decreased 0.003 ft/s2 per 1000…

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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 rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

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Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

A: Given: Weight of the rock is 25N, then the mass of rock m=25g=2510=2.5 kg      where g= accleration…

Q: A man standing on a scale in an elevator notices that the scale reads 30 newtons greater than his…

A: Let the mass of the person = m let the weight of the person = w Reading of the scale = 30 N greater…

Q: Which statement is true about an inertial frame of reference? It is one in which Newton's Laws of…

A: Introduction :- Here we are given that a inertial frame of reference and based on this frame we have…

Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: What constant force is required to accelerate a 1000 kg car from rest to 40 m/s over a distance of…

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Q: The force in Ibf necessary to accelerate a weight of 20 Ibf at a rate of 60 ft/sec2 vertically…

A: weight = 20 lbf acceleration = 60 ft/s2

Q: An elevator, with a total mass of 454 kg, accelerates downward at 3.51 m/s^2. During this time, the…

A: Given data:  Total mass (m) = 454 kg Acceleration (a) = 3.51 m/s2, downward Required: The tension in…

Q: A balanced force can cause an object to _____________ OR ________________.. Single choice.     A.…

A: A balanced force can cause an object to _____________ OR ________________.. Single choice.…

Q: 80 kg object is initially sliding across a table and you are applying a force of +300 N. The…

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Q: Which situation best describes the law of force and acceleration? A. Restraints keep passengers from…

A: To accelerate a roller coaster with more riders, a larger force required.

Q: As you sit in your chair and study your physics (presuming that you do), the force of gravity acts…

A: Option E is the correct answer. when Earth pulls ass downwards with its gravity the reaction force…

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

A: Given data: Weight of woman in elevator is, W'=0.795×W.              (W is the regular weight of…

Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

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Q: A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00 m/s2. What is…

A: Given data:  Mass (m) = 5 kg Acceleration (a) = 6.00 m/s2, downward Required: The magnitude of the…

Q: Eric with a mass of 65 kg starts going down on an elevator. It starts accelerating downward from…

A: 1. Two force, tension and gravitational force 2. The weight of the system is W=msystemg=65…

Q: What is the acceleration of the 2.5 kg box sliding on a 24° inclined plane from the horizontal? O…

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Q: A man standing on a scale in an elevator notices that the scale reads 40 newtons greater than his…

A: we have to evaluate the movement of the lift

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

Q: A Boeing 707 jet aircraft has a takeoff mass of 1.2 x 10 kg. Each of its four engines has a net…

A: Given data: v=73 m/su=0F=75 kNm=1.2×105kg Need to determine the acceleration and distance.

Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

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Q: You stand in an elevator on a scale.  If the scaled reads 9/10 of your weight, what is the…

A: Weight of an object is defined as the force acting on it due to gravity. It is mathematically…

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

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Q: As part of a physics experiment, you stand on a bathroom scale in an elevator. even though you…

A: Given Actual weight W = 704 N Apparent weight W' = 894 N Acceleration a = 2.65 m/s2 , upward

Q: rt force in the right leg. The table's weight is 71 lb. w = 3

A: Given:-  x = ℓ/3 The table's weight is 71 lb. w = 3 ft ℓ = 10 ft Find:- Calculate (in pounds) the…

Q: Which of the following observations would be adequately explained by Newton's third law? 1) When…

A: Introduction: Newton third law states that, If any object  exerts a force on nothrer object, then…

Q: A person stands on a scale in an elevator. His apparentweight will be the greatest when the…

A: There is a small difference in the term apparent weight and the actual weight of the body. The…

Q: A person with a mass of 75.0 kg stands on a scale in an elevator. What does the scale read when (a)…

A: (a) Take the upward direction to be positive. The forces acting on the person are the weight of the…

Q: A car with a mass of 1,450.0 kg accelerates from 0 to 73.0 km/h in 11.0 s. (Enter the magnitudes.)…

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Q: A student, who weighs 400 N, stands on a bathroom scale in an elevator. What will the scale read…

A: The mass of the student can be calculated as follows,

Q: As you sit in your chair and study your physics (presuming that you do), the force of gravity acts…

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Q: 1. A 500.0 N student standing on a scale in an elevator notices that the scale reads 550.0 N. a.…

A: When a person stands on a weighing machine, they exert their weight on the machine, and then the…

Q: In which of the following cases would you feel weightless? A Walking on the moon B. Falling from an…

A: Weightlessness is felt when the only force acting on a body is the force of gravity. Force of…

Q: A woman stands on a weighing scale in a non - moving elevator. When the elevator started to move,…

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Q: Standing on a weighing scale, a 50-kg person is inside an elevator. What would the scale read if the…

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Q: A car is moving at constant velocity, we may assume: CHoices: the object is accelerating. the gas…

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Q: Find the scale reading in Newtons of a 74 kg man stands on a scale in an elevator. At the instant,…

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Q: A child is pulling a box of weight 50 N with a constant force F having a direction 8 = 15° as shown…

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Q: Consider a person standing on a scale in an elavator. If the elevator accelerates upwards with an…

A: Any person standing in a lift feels heavier when lift moves upwards, and similarly he feels lighter…

Q: As you sit in your chair watching these lesctures, the force of gravity acts downward upon your…

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Q: In order to keep an object weighing 20 newtons moving at constant speed along a horizontal surface,…

A: The given object maintains a constant speed. An object moves at a uniform speed along a horizontal…

Q: Which of the following does NOT demonstrate Newton's first law of motion?   A bicycle moving in a…

A: As per the Newton's first law of motion 'An object continues to be in a state of rest or uniform…

Q: Standing on a weighing scale, a 50-kg person is inside an elevator. What would the scale read if 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!