An object set in motion in space can travel much farther than a similar objec on Earth because there is no air resistance in space. This phenomenon is best described by Newton's ___ law of motion.

Q: According to Newton’s second law, the mass of an object is 145kg and it is accelerating at a rate of…

A: Given that the mass of an object which is denoted as 'm' is equal to 145kg and its acceleration is…

Q: A 10-kg body is suspended by means of a string. Another string is attached to the bottom of the body…

A: Note-          Bartleby's guidelines allowing answer only the first question

Q: A train locomotive is pulling two cars of the same mass behind it  Determine the ratio of the…

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Q: Describe the feeling of apparent weight as compared to the weight at rest, during accelerated and…

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Q: An object of mass m is hanging by a string from the ceiling of an elevator. The elevator is moving…

A: Given,An object of mass m is hanging by a string from the ceiling of an elevator.the elevator is…

Q: A sphere of mass 4.9× 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

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Q: A sphere of mass 1.9 x 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

A: Lets draw the fbd of the given condition in the above question:-

Q: Three objects are connected by light strings as shown in the figure below. The string connecting the…

A: Introduction: Newton's laws of motion used to find the velocity, displacement and acceleration of…

Q: Using focused laser light, optical tweezers can apply a force of about 10 pN to a 1.0 micrometer…

A: F=ma   m= mass of bead a= acceleration   m=ρV ρ= density V= volume

Q: A ball on a string is suspended from the ceiling of a tram car. The car is braked, and its speed…

A: The acceleration of the system is,

Q: 17 An object of mass m is lifted a vertical distance h above the surface of Earth at constant speed…

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Q: A sled of mass 2.1 kg is on perfectly smooth surface. A string pulls with a tension of 25.1 N. At…

A: The free-body diagram of the mass is shown below. Here, m, a, T, and θ are the mass, acceleration,…

Q: You have most likely been in an elevator that accelerates upward as it moves toward a higher floor.…

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Q: Two objects are connected by a string passing over a frictionless pulley. When the objects are in…

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Q: A man whirls a 0.30-kg plece of lead attached to the end of a string of length 0.460 m in a circular…

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Q: Two   blocks  are  connected  via  a  pulley,  both  blocks  have  a  mass  of  10.kg.  One  block…

A: The net force is mass multiplied by acceleration or rate of change of momentum. The SI unit of force…

Q: When an acrobat hangs motionless from a pair of rings (A she has no measurable weight. B her weight…

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Q: Four strings are attached to a wooden block. One string is pulled with 5.0N force towards y. The…

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Q: • Acceleration due to gravity is 10 N/kg. The surface area of fish pressed by the water above it is…

A: Data Given ,  Acceleration due to gravity ( g ) = 10 N/kg Surface area of fish pressed by the water…

Q: A sphere of mass 3.0 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

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Q: In an investigation a student placed a 0.85 kg cart on a table. They tie one end of a light string…

A: Given Information:- Mass of the cart is M=0.85 kg Mass of the hanging mass is m=0.50 kg We have to…

Q: What does Newton's 2nd Law state? O An object at rest stays at rest. An object in motion stays in…

A: What does newton's second law suggest .

Q: A train is moving at a speed of 200 km h¹ westwards at a latitude of 55 °N. A person in the train…

A: We know, mass = weight/g

Q: A curling rock of mass 20 kg is sliding along a frictionless ice surface when it strikes a rock half…

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Q: A m, = 1.10-kg aluminum block and a m, = 6.35-kg copper block are connected by a light string over a…

A: Let T be the tension in the string connecting the masses. Also, subscript 1 and 2 are used for the…

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

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Q: An electron of mass 9.11  10-31 kg has an initial speed of 2.00  105 m/s. It travels in a straight…

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

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Q: A vertical spring has a force constant of 145 N/m. By how much will the spring be compressed if a…

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Q: A woman weighing 600 N stands on a scale in an elevator. She presses the button for the BOTTOM…

A: It is given that, FW=600 N

Q: A sphere of mass 5.5 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

A: It is given that :m=5.5 x 10-4 kgand θ=19°where, m→mass of sphere

Q: Two objects are connected by a string passing over a frictionless pulley. When the objects are in…

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Q: An object of mass 0.69 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

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Q: distance of 0.002m separates two objects. The first object has a mass of 25kg. If the gravitaional…

A: The gravitational force of acctratction between two objects of mass m1 and m2  separated by a…

Q: force has an object that is free to move. If we know the magnitude and the direction of the force…

A: force has an object that is free to move. If we know the magnitude and the direction of the force…

Q: degrees of freedom there are in the following mechanical systems: (a) a dumbbell, (b) two components…

A: We know that  according to classical mechanics If there are constraints then f = N d − kf=Nd−k where…

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

A: The weight of the person on the scale when elevator is accelerating is :W'=W+mahere, W is the weight…

Q: An object at rest tends to stay at rest, and an object in motion tends to stay in motion unless…

A: According to the Law of inertia an object at rest tends to stay at rest, and an object in motion…

Q: Which one of the following forces is non-conservative? O The electric force The Elastic force O The…

A: Non Conservative Force - When Forces depends on length of path between the starting point and ending…

Q: A block weighing 14.0 N can slide without friction on an inclined plane at an angle of 40.0 degrees.…

A: W=14 Nθ=40°x=.450 mk=120 Nm

Q: A mass m of 1.0 kg is attached by a massless string of length l of 2 m and resting on a cone.  The…

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

Q: When the distance between two stars decreases by 1/4, the force between them a. increases to 16…

A: Required :  The change in the force between the stars.

Q: force on a second object, the second object exerts a force on the first that is opposite in…

A: Friction is a force that resists motion when the surface of one object slides over the surface of…

Q: Two   blocks  are  connected  via  a  pulley,  both  blocks  have  a  mass  of  10.kg.  One  block…

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Q: By virtue of the 3rd Law of Motion, we are pulled on Earth by gravity and we are also pulling the…

A: The correct option is (a).  i.e  The acceleration of the Earth towards us is negligible due to…

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!