A force of 100N moves a body on a horizontal frictionless surface when,…. I. Friction force exerted on the body is less than 100N II. Friction force exerted on the body is more than 100N III. None of these IV. Both of I and II

Q: When landing after a spectacular somersault, a 40.0 kg gymnast decelerates by pushing straight down…

A: Given: mass (m) = 40 Kg            deceleration (a) = 8g To find : Force exerted (F)

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: 4. The 55kg crate shown in the figure rests on a horizontal surface for which the coefficient of…

A: Givenmass of the crate, m =55 kgCoefficient of static friction, μk = 0.55 - 0.09tthe crate is…

Q: move a large crate of mass 32.0 kg across a rough floor, with coefficient of kinetic friction…

A: According to Newton's second law F = ma So acceleration a = F/m

Q: Hospital bed requires a frictional force Fr to keep it moving with constant velocity across a floor.…

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Q: The rocket sled  accelerates at arate of 49.0 m/s2. Its passenger has a mass of 75.0 kg.…

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Q: A 52.0 kg crate of tools rests on a horizontal floor. You exert a gradually increasing horizontal…

A: Write the given values with suitable variables. m=52 kgFr=354 P=221 Nv=25 cm/s=0.25 m/s Here, m…

Q: An adventurous archaeologist crosses between two rock cliffs by slowly going hand over hand along a…

A:

Q: 2. If Mr. Mangan is pushing a 90 kg sled across the ground with a force of 300 N and it just about…

A: Given  Mass of sled, M = 90 kg Force = 300N = F  Coefficient of static friction ,u =???

Q: 5. A box with a weight of 50 N rests on a horizontal surface. A person pulls horizontany on it with…

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Q: Which is true for “the motion of an object depends on the forces that are exerted_ it, not the…

A: Ans is a "the motion of an object depends on the forces that are exerted on it, not the forces that…

Q: You want to move a 500-N crate across a level floor. To start the crate moving, you have to pull…

A: Given data: Weight of the crate is W = 500 N Horizontal force applied to pull the crate is F = 230…

Q: You are trying to push your stalled car. Although you applya horizontal force of 400 N to the car,…

A: The forces acting on the car in the horizontal direction are the force exerted by the person pushing…

Q: 2. A boy exerts 50.0 N to push an object across a horizontal surface at constant velocity. If the…

A:

Q: When landing after a spectacular somersault, a 55.0 kg gymnast decelerates by pushing straight down…

A: Given  Mass m=55kg Deacceleration a=8×9.8=78.4 m/s2

Q: A 3.49 kg mass is initially at rest on a 54 degree incline. An applied force of 47.8 N directed up…

A:

Q: 3. For the following Free-body diagram, the net force is equal to 30N up. Determine the unknown…

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Q: ** 26. A 4-kg block, which is tied to another block, is pulled to the right by a tension force T 78…

A: Given information:Mass of the block (m) = 4 kgTension with which the block is pulled (T) = 78…

Q: 5. While a particle is moving with constant velocity it is acted on by 2 forces. One of the forces…

A: Given data: The first force is F1=-2i+6j Since the particle is moving with constant velocity, the…

Q: A mop is pushed across the floor with a force ? of 40.4 N at an angle of ?=49.3∘. The mass of the…

A: Figure above shows the free body diagram of the arrangement. As there is no vertical motion, the net…

Q: A powerful motorcycle can produce an acceleration of 3.50 m/s while traveling at 90.0 km/h. At that…

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Q: A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the…

A: Given:Angle of inclination for part a = 18 degreesAngle of inclination for part b = 36 degrees

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an…

A:

Q: 1. A bulbasaur is pushing a toy train. Find the contact forces: NA between car 1 and 2, and Ng…

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Q: To keep a large crate moving across a rough floor, you push down on it at an angle 8 = 26°. What is…

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Q: When a certain force is applied to an object with a mass of 2 kg, its acceleration is 10.0 m/s2.…

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Q: A 28.0-kg block is initially at rest on a horizontal surface. A horizontal force of 79.0 N is…

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Q: A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. At that…

A:

Q: That same 80 kg object is sliding across the table because you are applying a force of +300 N. If…

A:

Q: At one point during a flight, a 8kg model rocket burning fuel, generating a 200N thrust and…

A: Given : m = 8 kg Fthrust = 200 N Fdrag = 90 N

Q: A worker drags a crate across a factory floor by pulling on a rope tied to he crate. The worker…

A: Given  Force exerted by worker F=200N angle q=30 f=100N Mass of crate m=200kg

Q: A 34kg crate resting on a horizontal surface is pushed as shown. If the coefficient of static…

A: Given that , mass of crate m= 34 kg coefficient of static friction μ = 0.18 F= μmg   = 0.18 * 34 *…

Q: A 300-kg bear grasping a vertical tree slides down at the constant rate of 0.2 m/s2 . The friction…

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Q: During a hard stop, a car and its passengers slows from 46 m/s to zero in 0.5- s. What magnitude…

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Q: A horizontal force of 5.0 N accelerates a 4.0-kg mass, from rest, at a rate of 0.50 m/s2 in the…

A: Applied force  Mass Acceleration

Q: 15. A cart is uniformly accelerating from rest. The net force àcting the cart is (1) decreasing (2)…

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

Q: 2. Calculate the coefficient of kinetic friction when a horizontal force of magnitude 28N is needed…

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Q: 6. A block is being pushed and gaining Applied (Fapp): Yes or No? velocity at the top of a table.…

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

Q: 20. A 24-kg block is being lowered by two massless ropes tied to the top corners of the block. When…

A: Applying Newton’s second law of motion.

Q: When a parachute opens, the air exerts a large drag force on it. This upward force is initially…

A: Weight of sky diver (w) = 904 N (acting downwards)Magnitude of drag force (f) = 1003 N Since the…

Q: A constant force is applied to an object, causing the object to accelerate at 9.0 m/s²

A:

Q: A motorcycle and 60.0 kg rider accelerate at 3.0 m/s2 up a ramp inclined 10 above the…

A: The net force on the rider is

Q: When a parachute opens, the air exerts a large drag force on it. This upward force is initially…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: