A book of mass 6.7 kg is resting on a flat level table. You push down on the book at an angle of 23.5 degrees from the horizontal with force of magnitude 433 N. The book starts to slip and is sliding across the table. What is the magnitude of the force of kinetic friction from the table on the book? The coefficient of kinetic friction between the table and the book is μk = 0.40.

Q: A 5.50kg square block starts from rest and slides on a 30° wedge, which is supported by a horizontal…

A: Mass of the block , m = 5.5 kg Mass of the wedge , M = 13.7 kg Angle , = 30° To find = Acceleration…

Q: If the uniform concrete block has a mass of 500 kg, determine the smallest horizontal force P needed…

A:

Q: Two forces, F1 and F2, act on the 7.00-kg block shown in the drawing. The angles made by the forces…

A:

Q: The two blocks (m= 16 kg and M = 88 kg) are not attached to each other.The coefficient of static…

A: Given: Mass m = 16 kg. Mass M = 88 kg. The friction coefficient between surface of blocks (µs) =…

Q: A bag of cement with a mass of 100kg hangs in equilibrium from three wires as shown in the figure.…

A: Given Data : The mass of the cement bag is given as m = 100Kg. The angle made by string 1 is given…

Q: The forces acting on the sailplane are its weight W = -500j (lb.) , the drag D = -200i + 100j (lb.),…

A: W = -500 j^ lb D = -200 i^ +  100j^ lb Lift force = L

Q: In the figure, a rectangular slab of slate rests on a bedrock surface inclined at angle θ = 28.2°.…

A: The figure is shown below:

Q: A block of mass 0.1 kg is held against a wall by applying a horizontal force of 5 N on the block. If…

A: Given data: Mass (m) = 0.1 kg Force (F) = 5 N Coefficient of friction between block and the wall (μ)…

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A: Mass of crate (m) = 78 kg Coefficient of Static Friction (μs) = 0.3 Coefficient of Kinetic Friction…

Q: An object with a mass of 7 kg is on a horizontal floor. The coefficient of static friction between…

A: Given data μs=0.64μk=0.29m=7 kgF=55.6 N

Q: Two blocks in contact with each other are pushed to the right across a rough horizontal surface by…

A: In the given representation it is shown that there are two blocks in contact with each other are…

Q: The static friction coefficient between the block and the inclined surface is 0.2. What is the…

A:

Q: A stationary 10kg object is sitting on the ground. The coefficient of static friction between the…

A: Given: Mass of an object (m) = 10.0 kg. Coefficient of static friction μs=0.8 Coefficient of kinetic…

Q: In the figure, block 1 has mass m1 = 470 g, block 2 has mass m2 = 580 g, and the pulley is on a…

A:

Q: A picture P of weight W = 40 N is hung by two strings as shown. The magnitude of the tension force…

A: In equilibrium, the upward force is equal to the downward force. So,

Q: 23. A 98N force is needed to push a 45kg box across the wooden floor. What is the value of the…

A: The maximum frictional force acts on the box of mass m is Fs = μmg. μ is the value of the…

Q: If the coefficient of kinetic friction, Uk, between the block and the surface is 0.30 and the…

A: Weight = friction force / uk

Q: In the figure, a rectangular slab of slate rests on a bedrock surface inclined at angle 0 = 28.8°.…

A: Givenangle of inclination, θ = 28.8°length of the slab, L = 43.1 mThickness, T = 8.98 mwidth, W =…

Q: A box of mass 15 kg is sitting on a horizontal floor, where the coefficients of static and kinetic…

A: SOlution: Given that m = 15 kg applied force F = 50 N μs=0.6μk=0.55

Q: 3. A uniform 40.0 kg ladder of length 5.0 m is leaning against a frictionless wall, as shown below.…

A:

Q: An initially stationary box of sand is to be pulled across a floor by means of a cable in which the…

A:

Q: A heavy weight is supported by two cables that exert tensions of magnitude T, and T;2. Which…

A:

Q: A 5.510 kg block of wood rests on a steel desk. The coefficient of static friction between the block…

A: frictional force is adjustible force it can adjust its value from 0 to its maximum value depending…

Q: An object with a mass of 7 kg is on a horizontal floor. The coefficient of static friction between…

A: Since you are posted more than one question, we will answer the first question. If any specific…

Q: A box of mass 33 kg sits at rest on a ramp that makes an angle of 11 degreeswith the horizontal. The…

A: Draw the free-body diagram of the box.

Q: A person pulls at an angle of 0 = 34.0° on three connected crates of masses m¡ = 25.0 kg, m2 = 18.0…

A: To determine,the value of pulling force(FP).given,m1=25 kgm2=18 kgm3=15 kgangle of pull from…

Q: If the coefficient of kinetic friction,Hk , between the block and the surface is 0.30 and the…

A:

Q: Q.5 An external force F of magnitude F =5N is applied vertically downward on an object of 10 N…

A: Answer               (C) n = 15N

Q: Given problem: Determine the smallest horizontal force ‘P’ required to lift the 246.68-kg crate.…

A:

Q: What is the minimum downward force (F) on the box that will keep it from slipping? The coefficient…

A: Applied force = 125 N  Mass = 30 kg  Coefficient of kinetic friction = 0.25  Coefficient of static…

Q: 3. A 6.50 kg block is pressed against a vertical wall by a force (F), as shown in the figure below.…

A: The given force holds up the block against the wall. And since the wall is rough, it offers a…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A:

Q: A horizontal force of 800 N is needed to overcome the force of static friction between a level floor…

A: The magnitude of horizontal force F=800 N The mass of the crate m=200 kg The acceleration due to…

Q: A 5 N picture frame is supported by two strings that run from its upper corners to a nail on the…

A:

Q: From the given figure, determine the value of the horizontal force P if the coefficient of static…

A:

Q: While the dancer is in the air and holding a fixed pose, what is the  magnitude of the force her…

A: Let, the mass of the head be 'm' , force exerted by the neck be 'F' , acceleration due to gravity be…

Q: An 83 kg man is sliding across his kitchen floor. Between socks and the polished hardwood, the…

A:

Q: m1 m2 F. m3 Three blocks are placed in contact with each other and their masses are m1 = 10.9 kg, m2…

A: We know  Newton's second law of motion  F=ma

Q: 1. A traffic light weighing 122 N hangs from a cable tied to two other cables fastened to a support…

A: two questions is given by you but not informed that which one is to be solved so we will solve 1st…

Q: Now the block on the table has friction.  Calculate the frictional force if the block is stationary.…

A:

Q: A 2.220 kg block of wood rests on a steel desk. The coefficient of static friction between the block…

A: Static friction is a force applied by tthe surface on the block in opposite directions to the…

Q: For the cart traveling on the level track, in which direction does the friction force act? (The…

A: Frictional force is an electromagnetic force which opposes the relative motion between two bodies in…

Q: A 3.7 kg book is pressed against a wall with a force P at an angle of 35 degrees above the…

A:

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 wracking ball is suspended below two cables each at an angle with the horizontal. The left cable…

A: In the given question, Tension in left cable  = T1 Tension in left cable  = T2 Angle made by left…

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: