Consider a person standing on a scale in an elavator. If the elevator accelerates upwards with an acceleration of 1.21 m/s^2 and the person has a mass of 102.9 kg, what would the scale read?

Q: The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650 N.…

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Q: An archer pulls a bowstring back a distance of 20 cm with an average force of 85 N. The arrow has a…

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Q: What is true about the net force on an object if it has an acceleration of zero? Group of answer…

A: Given data The acceleration of the object is given as a = 0 m/s2.   The mathematical relationship…

Q: A high jumper with a body weight of 820 N exerts an average vertical force of 1640 N down on the…

A: Given  Force applied by jumper on floor F=1640 N  Time t=0.75s Weight w=820N

Q: man inside the elevator stands in a weighing scale and weighs 120 N when stationary. What will be…

A: According to Newton's second law Net force F = ma

Q: The minimum force needed to move an object attached to a spring on a surface with coefficient of…

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Q: A 75 kg climber is hanging on an anchor with anchor angle equals to 60 degree, the tension on each…

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Q: The x-component

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Q: A mass of 1.45939 kg in space is subjected to an external vertical force of 4 Ib. If the local…

A: Given that: Mass, m=1.45939 kgForce: F=4 lb1 lb=4.445 NF=4×4.445=17.78 Ng=30.5 ft/s2=30.5 ×0.3048…

Q: Two forces P Y Q act on an object of mass 14.0 kg, where Q the greater of the two forces. When both…

A: Given P and Q are two forces acting on an object. The mass of the object is given to be 14Kg

Q: The cable supporting a 2105 −kg elevator has a maximum strength of 23260 N. What maximum upward…

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Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: a box of dirty money (mass m1 =3.0 kg) on a frictionless plane inclined at angle 30. The box is…

A: It is given that,

Q: The cable supporting a 2105 −kg−kg elevator has a maximum strength of 23260 N. What maximum upward…

A: Given data:  Mass of elevator (m) = 2105 kg Maximum tension in cable (T) = 23260 N Required: The…

Q: A stationary 10kg object is sitting on the ground. The coefficient of static friction between the…

A: Given: Mass of an object (m) = 10.0 kg. Coefficient of static friction μs=0.8 Coefficient of kinetic…

Q: Two forces are acting on a 1.08 kg object. One force is directed completely in the negative…

A: The free body diagram of the system is given below:…

Q: Given a drag coefficient of 0.42 kg/sec, the magnitude of the drag force (N) on a projectile moving…

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Q: Two people are pushing horizontally on a crate of mass 100 kg. One person is pushing from the right…

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Q: An elevator cabin has a mass of 380 kg, and the combined mass of the people inside the cabin is 180…

A: According to the Newton's second law  Net force = mass x acceleration

Q: The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N.…

A: If the elevator is going upward, the pseudo force (ma) will act downward.

Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg ,m2=3.20kg, and m3=4.90kg.…

A: Given data The magnitude of the net force is given as Fnet = 7.50 N. The magnitude of mass 1 is…

Q: In the figure here, a box of Cheerios (mass mc = 1.80 kg) and a box of Wheaties (mass mw = 3.40 kg)…

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Q: A block weighing 30 N is being pushed horizontally with a force of 60 N. What is the magnitude of…

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Q: You know your weight is 680 N, but when you stand on a scale in an elevator it tells you that your…

A: Given:- Actual weight = 680 N Weight in elevator = 600 N The weight measured is less than your…

Q: Show that the acceleration of any object down an incline where friction behaves simply (that is,…

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Q: he total aerodynamic force F acting on the airplane has a magnitude of 6250 lb. Resolve this force…

A: Given data: Magnitude of total aerodynamic force is, F=6250 lb

Q: While an elevator of mass 930 kg moves downward, the tension in the supporting cable is a constant…

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Q: which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the…

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Q: In the figure, block 1 has mass m, = 470 g, block 2 has mass m2 = 540 g, and the pulley is on a…

A: a) The kinematic equation is given by,  s = ut+1/2 at2     = 0+1/2at2   a = 2s/r2      =…

Q: A block of mass m1 = 38.4 kg on a horizontal surface is connected to a mass m2 = 15.2 kg that hangs…

A: on m2: m2g - T = m2a  15.2g - T = 15.2a ________________(1) on m1: T = m1aT = 38.4a ______________…

Q: A sailboat with a mass of 2 x 103 kg experiences a tidal force of 3 x 103 N directed to the east and…

A: mass of sailboat (m) = 2000 kg tidal force = 3000 N along east force exerted by wind = 6000 N along…

Q: The masses of the red and blue wagons are 6.09 kg and 2.63 kg, respectively. If the red wagon is…

A: Given: Mass of red wagon, mr=6.09 kg Mass of blue wagon, mb=2.63 kg Force, F=18.9 N Free Body…

Q: The coefficient of kinetic friction between a box and the floor is μk = 0.14 and the coefficient of…

A: The static frictional force is given by Fs=μsN=μsmg

Q: An object on a rope is lowered at a steadily decreasing speed?  Which is true? a) The rope tension…

A: Assume a situation in which an object of weight W on a rope is lowered at a decreasing speed such…

Q: In the figure here, a box of Cheerios (mass mc = 1.50 kg) and a box of Wheaties (mass mw = 3.00 kg)…

A: given mass of the cheerios box (mc) = 1.5 kg mass of the Wheaties box (mw) = 3 kg frictional force…

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

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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: If the child has a mass of 19.4 kg, calculate the magnitude of the force in newtons the mother…

A: The magnitude of force in this case can be obtained as F=mg+a=19.4kg9.8m/s2+0.762m/s2=204.9 N≈205 N

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: Conceptual friction question pt:a &b

A: Consider the acceleration of the block and mass be a, and the tension in the string be T. The free…

Q: In the figure here, a box of Cheerios (mass mc = 1.70 kg) and a box of Wheaties (mass mw = 2.60 kg)…

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Q: A crate with mass m = 20 kg is being pushed to the right by a force of magnitude F = 80 N The crate…

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Q: In an 800 kg elevator travels a 75 kg passenger carrying a 3 kg package in his hand. The elevator…

A: Given, Mass of elevator = 800 kg  Mass of passenger = 75 kg  Mass of packet = 3 kg  s = 3 m  Time…

Q: instead the elevator is accelerating upwards at a rate of a = 2.2 m / s^2, what does the scale…

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Q: On Earth at sea level, a rope can sustain a maximum force of 49.8 N before breaking. What is the…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”