A 74.0-kg person stands on a scale in an elevator. What does the scale read (in N) when the elevator is climbing at a constant speed of 3.0 m/s? What does the scale read (in N) when the elevator is descending at 3.0 m/s? What does the scale read (in N) when the elevator is accelerating upward at 3.0 m/s^2 ? What does the scale read (in N) when the elevator is accelerating downward at 3.0 m/s^2 ?

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: An 80 kg person is standing on a scale in an elevator. Find the weight that the scale reads when the…

A: The answers are below

Q: If the skier above weighs 150 lbs, what is the magnitude of the force of the skier (FS), the normal…

A: Weight=150lbs

Q: A 69-kg person is standing on a scale in an elevator moving downward. If the scale reads 705 N, what…

A: Given : Mass of a person (m) = 69 kg Reading on a scale (R) = 705 N

Q: Suppose you had a 5.00 kg sack of sugar and a bathroom scale. If you took the scale into an elevator…

A: Given data: Mass of sack of sugar, m=5.00 kg Acceleration of the elevator, a=1.00 m/s2  The mass…

Q: Two blocks each of mass m = 3.50 kg are fastened to the top of an elevator as in the figure below.…

A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: Determine the normal force exerted on the woman’s feet by the floor.

A: Given data: Mass of the woman, m= 60000 g =60 kg Acceleration of the elevator, a=120 cm/s2=1.2 m/s2

Q: A student weight himself on the scale at rest in the elevator, at the third floor, the value was…

A: Given data:  Weight of student (W) = 670 N Student riding down in the elevator  Apparent Weight =…

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

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Q: A 79.8-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is…

A: Real weight = mg = 79.8 × 9.8 = 782.04 N Apparent weight is represented by Normal force acting on…

Q: Riders on the Power Tower are launched skyward with an acceleration of 4g, after which they…

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Q: A metal ball of mass 10 g falls in oil with a acceleration of 3.0 m/s at one instant. Calculate the…

A: a=Acceleration=−3 m/s2g=Acceleration due to gravity=9.81 m/s2m=Mass of ball=10 g

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: The tensions in the four cables all equal. How much force in kN does each cable hold if the…

A: Given: The magnitude of all forces is the same. The magnitude of the resultant force is 15000 lb.…

Q: A 95.0 kg person stands on a scale in an elevator. What is the "apparent weight" when the elevator…

A: Write the expression for apparent weight when the elevator is accelerating upwards.

Q: A 63.4 kg person is standing inside an elevator. The elevator is moving upward at 2.78 m/s and is…

A: The write the expression for the net force, Apply Newton’s second law of motion,

Q: What is the net force for the following situation: weight = 700 N and the air resistance is 100 N.…

A: Given that               The weight (W) = 700N                Air resistance (F) = 100N

Q: A 74.2 kg person is standing inside an elevator. The elevator is moving upward at 2.98 m/s and is…

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Q: A 58.9 kg person is standing inside an elevator. The elevator is moving upward at 3.68 m/s and is…

A: The given values are.

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: An elevator together with its passengers weighs 4900 N. At a certain instant, the tension in its…

A: Given: Weight of passengers M = 4900 N Tension in supporting cable at a time T = 5900 N

Q: How much force must the floor apply to hold up a 100 kg man carrying a 25 kg boy on his shoulders?

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Q: At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal…

A: Answer Given  Mass of the ball m = 0.40 kg X component of the ball's acceleration ax = 885 m/s2 Y…

Q: As you stand on a floor,does the floor exert an upward force against your feet? How much force does…

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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: A man inside the elevator stands in a weighing scale, mass = 100 kg. What will be its apparent…

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Q: Suppose there is a box of books with a mass of 10 kg resting on a flat horizontal table, and What is…

A: Given:- The  mass of the box of books m = 10 kg  The coefficient of the static friction between the…

Q: Different masses are hung on a spring scale calibrated in Newtons. 1. The force exerted by gravity…

A: 2. F= mg for m= 5kg F= 5x9.8 F=49 N   3. F=mg 98= mx9.8 m=10kg

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: What is the apparent weight of a 65 kg person standing in an elevator that is accelerating upward at…

A: Expression of apparent weight of a person in an elevator that is accelerating upward -…

Q: A person of weight 480 N stands on a scale in an elevator . What will the scale be reading when the…

A: Given, Weight of person W = 480 N Acceleration a = 4 m/s2

Q: falling at a constant speed. What forces are on the skydiver? 1. Up 2. Down 3. Left

A: For a freely falling man, downward acceleration is equal to the acceleration due to the gravity.…

Q: Blake's true weight is 600 N (magnitude), and his apparent weight at a certain time is 800 N…

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Q: . An art student is designing a funky hanging sculpture in which three identical flying saucer…

A: Given: The maximum tension in the string is 90 N. The string is identical.

Q: A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the…

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

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Q: A 39.0 N force pulls horizontally on a m1 = 1.3 kg block that slides on a rough horizontal surface.…

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Q: The hover puck has a mass of 1233 g, photogate 1 is at the 20-cm mark, photogate 2 is at the 70-cm…

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Q: 9. A rope holds a 25-kg rock at rest on a frictionless inclined plane as shown. Determine the…

A: We are authorized to answer one Question at a time, since you have not mentioned which question you…

Q: A person weighs -800 N and is traveling downwards in an elevator whilst stood on a bathroom scale…

A: The given values are, w=-800 N=800 N   downwardsN=840 Nm=81.5 kg

Q: How high has the elevator moved above its original starting point, and what is its final velocity?…

A: Given: The elevator accelerates from rest at a rate of 1.20 m/s2 for 2.00 s. The elevator moves with…

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

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Q: A 72 kg person is standing inside an elevator. The elevator is moving upward at 2.61 m/s and is…

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Q: A 3.00 kg cart on frictionless track is pulled by a string so that it accelerates at 2.00 m/s/s what…

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Q: The weight of an astronaut plus his space suit on the Moon is only 292 N. How much (in N) do they…

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Q: In the three-legged table, the far leg is at x = ℓ/3.  Calculate (in pounds) the support force in…

A: I have taken help of figure which was asked by you a moment ago. Given, weight= 91 Lb w= 4 ft l= 11…

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!