A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the elevator is accelerating upward at 6 m/s? A. 190N O 790N 490N D. Zero

Q: Zach, whose mass is 70 kg, is in an elevator going up at a constant speed of 2.0 m/s. Match the…

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Q: Mario is riding on his skateboard along a horizontal section of the pavement. If he encounters a…

A: The magnitude of the friction force is given as f=450 N

Q: 13. After completing a jump. Ice skater glides across slick ice, slowed by 60 N frictional force.…

A: 13.  Given, frictional force = 60 Ncoefficient of kinetic friction , μk = 0.1 Let the mass be m then…

Q: What is the effective horizontal component applied on the box that is being pulled by a 30 N force…

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Q: A sign is hanging as shown. If m = 9.7 kg, 0, = 75°, and 02 = 35°, then find the tension in each of…

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Q: The gravitational force between two objects with masses 10kg and 25kg separated by a distance 9m is…

A: The gravitational force between two objects with masses m1 and m2 separated by a distance r is  F =…

Q: The gravitational force between two objects with masses 1kg and 26kg separated by a distance 4m is…

A: Masses of the two objects m=1 kg and M=26 kg and distance between them r=4 m. Gravitational constant…

Q: Bonus: 8. A person of 80 kg is standing in an elevator, on a scale. What force would th. scale exert…

A: Given: The mass of the person is 80 kg.

Q: You are standing on a spring scale on the floor of an elevator. Among the following options, the…

A: Whenever an object is moving with non-uniform velocity, it experiences an acceleration. That is…

Q: A 4.0-kg box lies on a table. You pull it up with a force of 12 N and it doesn't move. Match the…

A: Given value--- mass = 4 kg. pulling force = 12 N. g = 10 m/s2  We have to find--- the weight…

Q: A 100 N steel ball is suspended from the ceiling using a light rope. The tension in the rope is…

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Q: A 50.0?? woman inside an elevator is standing on a scale. How will the acceleration of the elevator…

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Q: The coefficient of friction between a locomotive's wheels and the rails is 0.10. The locomotive has…

A: Step 1: Step 2: Step 3

Q: a.  moves downward with constant speed.  b.  moves upward with constant speed.  c.  speed down.…

A: Given:-  The apparent weight of a fish in an elevator is maximum when the elevator. Find:-  the…

Q: 7. Answer each of the following questions if the student applied a 550N force to a 100kg box on the…

A: Given data: The force, F=550 N The mass, m=100 kg

Q: A block weighing 2 KN is being dragged along a rough horizontal plane by a force P= 500N. The line…

A: The forces that act on the block are shown in the diagram  In the figure, f is the frictional…

Q: 60° The diagram above shows a box with mass m = 10 kg held at rest by an applied force (F) over a…

A: Given: The mass of box is m=10 kg. The applied force is F. The gravitational acceleration is g=10…

Q: A body has a weight of 400N at standard earth’s gravity of 9.806 m/s². When a force of 800N is…

A: Given value--- weight of body = 400 N. gravity on earth = 9.806 m/s2.  applied force = 800 N. We…

Q: A small block (m = 2 kg) is being pushed along (parallel to) a rough surface by a force with…

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Q: Consider a 2.00 kg box on a frictionless plane that is inclined at an angle of 300 with the…

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Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…

Q: A 20.0g ball is attached to a 120cm long string and moves in a horizontal circle. The string exerts…

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Q: What is the magnitude of the tension force in rope 1? + What is the magnitude of the tension force…

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Q: A pig has weight 500 N. It stands on a scale in an elevator, which reads 530 N. Which is correct? A.…

A: Given,  Actual Weight, W = mg = 500 N  Apparent weight A = 530 N

Q: A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is…

A: Given data:  Horizontal force (F) = 95.0 N Mass (m) = 60.0 kg Acceleration (a) = 1.20 m/s2 Required:…

Q: An elevator cab is moving downward by a cable. The total mass of the cab is 1950 kg. Find the…

A: Since the cab move with constant speed so the tension in the string is  T=mg  m=1950kg g=9.8 m/s2

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 80 kg person stands on a weight scale in a elevator. The elevator is moving up with a acceleration…

A: Normal force (Apparent weight) will be given by: Apply Net force balance on person: From Newton's…

Q: If a = +5.1m/s² in an elevator. What will be the tension (approximately) in the hanging cable if…

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Q: A girl is using a rope to pull a box that weighs 300 lb across a level surface with constant…

A: Given data :Weight of box, w = 300 lbAngle = 30°Tension in the rope, T = 100 lb which represents the…

Q: A 2000 kg object stay in rest on a 30 degree slope, the friction force is: a. 9800 N b. 0 c. 4800 N…

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Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: 7.0 kg block is at rest on a ramp with an incline of 25 o . What is the magnitude of the component…

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Q: 3. A weight of 150lbs. is suspended by two ropes. Rope A makes 50° to the right of the vertical and…

A: According to question we need to find--- What is the force acting at rope B? What is the force…

Q: What happens on the force of gravity exerted by the earth to a rocket propelling away from it? a.…

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Q: You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the…

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Q: In the figure, the net external force on the 24 kg mower is known to be 51 N. f=28N v=1.8 m/s…

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Q: i) A pig has weight 500 N. It stands on a scale in an elevator, which reads 530 N. Which is correct?…

A: given         original weight of pig=W= 500N         Scale reading=530 NWe know            Reading…

Q: 14. Compute the minimum distance that a truck slides on a horizontal asphalt road if it is traveling…

A: Given: Mass of the truck m=8000 kg, Initial velocity vi=20 m/s, Coefficient of sliding friction…

Q: You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the…

A: Weight shown on the scale is W = 140 lbs

Q: Point A is located somewhere in space. If the acceleration due to gravity at point A is given by: g…

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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!