If a box with mass of 50 kg is moving on a rough surface with kinetic friction coefficient of 0.7, how much force is needed to keep the box moving? Group of answer choices   343 N   35 N   490 N   6.7 N

Q: a)draw free body diagram for both m1 and m2 b)what is the acceleration of the blocks?

A: Given,

Q: 3.0 kg block is initially at rest on a frictionless table. A force of 24 N to the west and another…

A: Given Mass m = 3 kg Applied force F1 = 24 N  west F2 = 18 N south

Q: A force of 1.6 N acts on a body producing an acceleration of 56 m/s2. What is the mass of the body?…

A: Force acting on body (F) = 1.6 N  Acceleration of body (a) = 56m/s2

Q: .Which of the following concepts indicate that an object has been subjected to an unbalanced force?…

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Q: 15 A 12 kg block hanging on a string is pulled upward by the string with an upward acceleration of…

A:

Q: A batter strikes a baseball of mass 0.15 kg with a force of 18,000 N. What is the acceleration of…

A: Answer :-  Given data :-  F = 18000 N m = 0.15 kg

Q: 190 N 200 N 5) 30 N 100 kg Net Force = a = For problems 6-9, using the formula net Force = Mass x…

A: 5)Net force = 200 - 30  = 170 N ( towards right)acceleration = force /mass  = 170/100 = 1.7 m/s2

Q: A 70.0 kg box is being pulled along a horizontal surface. The coefficient of kinetic friction…

A:

Q: cord pulls an 7.0 kg block across a horizontal floor at constant velocity.The coefficient of kinetic…

A: Given values:- Mass of the block,(m)=7 kg ----(1) Coefficient of the kinetic friction,(μk)=0.21…

Q: A box is being pushed across a horizontal floor. If the net force (Fnet) is 1000 N and the box…

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Q: A cart (M = 0.400 kg) is placed on a frictionless horizontal surface and attached by a rope to a…

A:

Q: Two objects with masses M1 = 5kg and M2 = 8kg are connected by a light string that passes over a…

A: Given that:M1=5 kgM2=8 kgLet acceleration of system is a and tension in the string is T

Q: block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

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Q: A block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

A: Given: Mass of block, m=20.0 kg Farword acceleration, a= 2.50 m/s² Coefficient of kinetic friction…

Q: An object of mass m1 = 5kg placed on a frictionless, horizontal table is connected to a string that…

A: Given∗ The mass of an object  is m1=5kg.∗ The mass of second   object  is  m2=12 kg.     The Free…

Q: A block with mass m = 5 kg is moving on a rough horizontal surface under the influence of a…

A: Given data: Mass (m) = 5 kg Applied force (F) = 22 N Kinetic friction (fk) = 10 N, opposite to the…

Q: The 1.0 kg block in the figure is tied to the wall with a rope. It sits on top of the 2.0 kg block.…

A: Given Data : The mass of block 1 is given as m1 = 1Kg. The mass of block 2 is given as m2 = 2Kg. The…

Q: A crate of mass 24.7 kg rests on a level surface, with a coefficient of kinetic friction 0.187. You…

A:

Q: The coefficients of static and kinetic friction between a 3.0-kg box and a horizontal desktop are…

A: Given data:  Mass (m) = 3.0 kg Coefficient of static friction (μs) = 0.40 Coefficient of kinetic…

Q: An 800 kg elevator is going down and accelerates at 2.0 m/s^2. Find the tension (Newton) in the…

A: Given Mass of elevator is m=800 kg Acceleration of elevator is a=2.0 m/s2. Acceleration due to…

Q: A 10.0-kg box is pulled along a horizontal surface by a force of 40.0 N applied at a 30.0° angle…

A: Given  Mass of box ,M = 10.0 kg  Force applied,F = 40.0 N  Angle ,= 30° with vertical  Kinetic…

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: 8. A 115 kg steel box is being pushed across a wooden floor with a force of 800 N. What is the…

A: Please see the answer below.

Q: What is the mass of an object with a force of 25 N and an acceleration of 4.998 m/s^2 ? A 5.0 m/s^2…

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Q: block is pushed across a horizontal surface by the force F with constant velocity. F = 20 N, θ =…

A:

Q: A 2.14 kg wood block is pressed against a vertical wood wall by the 9.3 N force as shown. The…

A: Given ,         mass=m=2.14 kg          F=9.3 N         μs=0.51        μk=0.46         θ=30°Total…

Q: A crate of mass 48.1 kg rests on a level surface, with a coefficient of kinetic friction 0.202. You…

A: Given Mass of crate = 48.1 kg Coefficient of kinetic friction = 0.202 Applied force = F = 239 N We…

Q: A 2100 kg car experiences a force of 5500 N [S] from the engine and a frictional force of 701 N [N].…

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Q: 10 kg block is sitting on a flat friction less surface . earth gravity: (9.8 meters/second 2) moon…

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Q: 48. A 60 N wooden box is place on a wooden board. A force of 15 N is necessary to keep the box…

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

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Q: The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope…

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Q: A crate of mass 33.9 kg rests on a level surface, with a coefficient of kinetic friction 0.142. You…

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Q: Force causes acceleration. choose all the correct answers when  non zero net force acts on the…

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

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Q: 26. What will be the acceleration of a 1.5 kg cart if a net force of 45 N is applied to it while at…

A: Given: mass of cart m=1.5 kg force applied F=45 N

Q: In an experiment designed to investigate the frictional forces between bodies, a force was applied…

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Q: 7. What will be the acceleration of a 1.5 kg cart if a net force of 45 N is applied to it while at…

A: Given: net force on cart F = 45 N mass of cart m = 1.5 kg

Q: Tanjiro is driving a 1500 kg truck while pulling a trailer. His acceleration is 1 m/s2. Nezuko is…

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Q: A sprinter with a mass of 76.0 kg can accelerate from 0.0 to 9.0 m/s in 2.5 seconds. Find the…

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Q: A heavy crate is pushed across a rough surface. The force that is ultimately responsible for the…

A: Since the crate is pushed across a rough surface, the friction force will act opposite to the…

Q: You are given the job of moving a refrigerator with a mass of 1.8 x 102 kg across a horizontal…

A: Given: The mass of the object is 1.8x102 kg. The coefficient of the kinetic friction is 0.45.

Q: A 3.54 kg object is situated at rest on a horizontal surface with a static friction coefficient of…

A: Mass of the object,  Acceleration due to gravity,  Coefficient of static friction,    The maximum…

Q: An 800 kg elevator is going down and accelerates at 2.0 m/s^2. Find the tension (Newton) in the…

A: Given data-     mass of an elevator (m)= 800 Kg   accelerating downward with the acceleration (a) =…

Q: The total mass of the sled is 100 kg and 0= 40° and it is moving at a constant velocity of 2 m/s to…

A:

Q: 6. What is the acceleration of the system if a person pushes a 12kg box with a force of 234N if the…

A: Mass of box = 12kg Coefficient of friction =0.75 Force = 234N

Q: A 43.2 kg video cart is rolled down a hallway. It is accelerated at 0.30 m/s^2. If a force of 27 N…

A: Given: Mass of video cart m=43.2 kg Acceleration of the cart a=0.30 m/s2 Force applied to the cart…

Q: A 750 N box moves at a constant velocity on a floor with a coefficient of static friction μs = 0.800…

A: Weight of box Fb = 750 N Coefficient of static friction μs = 0.800 Coefficient of kinetic friction…

Q: A crate of mass 38.6 kg rests on a level surface, with a coefficient of kinetic friction 0.258. You…

A: Given: The mass of the crate is 38.6 kg. The coefficient of the kinetic friction is 0.258. The…

Q: Two boxes of masses m and 2m are connected by a rope.  If the forward force on the more massive box…

A: Two masses m and 2m are connected by rope. Free Body Diagram: For box m: For box 2m:

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: