A cleaner is pushing an 11 kg dustbin across a level floor at constant speed. The coefficient of friction between the dustbin and the floor is 0.10. (a)If the cleaner is pushing horizontally, what is the magnitude of the force he exerts on the dustbin? (b)If he pushes at an angle of 30° down from the horizontal, what must the magnitude of his pushing force be to keep the can moving at constant speed?

Q: The coefficient of static friction between Teflon and scrambled eggs is about 0.050. What is the…

A: Given,The coefficient of static friction between Teflon and scrambled eggs is about,μ = 0.050

Q: A woman holds a book by placing it between her hands such that she presses at right angles to the…

A: Static friction,

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 2.4Ni +…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -1Ni + -7.1Nj…

A: Given: The force F1 is -1 Ni^+-7.1 Nj^+-3.6 Nk^. The force F2 is 2.1 Ni^+6.6 Nj^+-3.1 Nk^.

Q: A box weighing 150 lbs is moved across a horizontal floor by dragging it by means of rope attached…

A: The sum of vertical forces acts on the box is ∑Fy=0N+Fsinθ-W=0                                1 The…

Q: The coefficient of static friction between Teflon and scrambled eggs is about 0.04.What is the…

A: It is given that,

Q: The three forces shown is to be replaced by a single resultant force. Determine the distance d (in…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 0Ni + -5.3Nj…

A: Given, F1→ =0 i^-5.3 j^ + 4.3 k^F2→ = 4.6 i^-0.3 j^ -5.1 k^ The units of force is expressed in…

Q: A 50 kg crate is being pushed on a horizontal floor at constant velocity. Given that the coefficient…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -2.3Ni +…

A: Ans:- Image-1

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 6Ni + 7.3Nj…

A: The angle between two forces is given by F→1·F→2=F1F2cosθθ=cos-1F→1·F→2F1F2 The dot product between…

Q: A sphere of mass 5.8 x 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

A:

Q: 0 kg is along an inclined plane 30 degrees with respect to the horizontal. If coefficient of…

A: Givenm=100 kgθ=30°μ=0.3

Q: block of mass M is pulled by a force T at an angle theta about the horizontal and moves at constant…

A:

Q: Given a drag coefficient of 0.42 kg/sec, the magnitude of the drag force (N) on a projectile moving…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 0.7Ni + 0.5Nj…

A:

Q: A horizontal force of 20 N is required to keep a 6.0 kg body in uniform motion along a horizontal…

A:

Q: Assume that the pulleys are frictionless, but the horizontal surface is rough with a coefficient of…

A:

Q: A painting with a mass of 20 kg is suspended by two wires from a ceiling. If the wires make angles…

A: Given data: Mass of the painting, m=20 kg

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -7.8Ni +…

A: Given vectors are, F1=-7.8 Ni+-7.4 Nj+4.8 NkF2=1.6 Ni+2.6 Nj+-3.5 Nk

Q: A 4.00 kg block rests on a 30 degree incline. If the coefficient of the static friction between the…

A: Here, the figure shows a box of mass m inclined at an angle θ = 30o with weight mg and force F and…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -3.5Ni +…

A: The forces are  F1 = -3.5Ni^ + 3.4Nj^ + 3.9Nk^ F2 = 3Ni^ + 2.6Nj^ + -1.5Nk^ The magnitude of the…

Q: As a car goes up a hill, there is a force of friction between the road and the tires rolling on the…

A:

Q: Two forces acting on an object have magnitudes of 25 N and 50 N and directions that differ by 40…

A: Given Data : The force 1 acting on the body is given as F1 = 25 N. The force 2 acting on the body is…

Q: A skier with a mass of 60 kg is sliding down a snowy slope, the slope with an angle of 30 degrees…

A: here, mass of the man(m)= 60 kg friction force(fs)=45 N and, angle of inclinaton (θ) = 30o let…

Q: Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the…

A: Given Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9.9Ni +…

A:

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, The coefficient of static friction between the sled and the ground μs=0.603 Kinetic…

Q: The coefficient of static friction between Teflon and scrambled egg is about 0.04. What is the…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9.3Ni +…

A: Given vectors, F→1=-9.3i^+7.3j^+9.2k^ NF→2=-1i^-1.2j^+1k^ N Angle between the two force vectors is θ

Q: A worker pulls a 15-kg crate in a straight line on a level surface by imparting a horizontal tension…

A:

Q: A sphere of mass 5.1 x 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

A: Visualize the Problem:

Q: A sphere of mass 2.9 x 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 2.2Ni + 1.5Nj…

A: To solve the question, we will use the dot product of vectors. Given:…

Q: A mass m is being pushed by a horizontal force F of magnitude 209.0 N. The coefficient of kinetic…

A: Given : Mass of block m = 10 kg Angle of inclination is 30° Horizontal force F = 209 N Coefficient…

Q: A block with mass M is attached to the lower end of a vertical, uniform rope with mass m and length…

A: In this problem, it is find the tension=?

Q: In the image, blocks A and B have 50 and 10 kg in order of . It is given that the coefficients of…

A: Solution:

Q: A 400. N crate is suspended from two ropes that each makes an angle 8 of 38° with the horizontal.…

A:

Q: What would be the maximum weight of the crate so that the box does not slide if the coeffietint of…

A:

Q: A ramp is inclined at 5 degrees with the horizontal.  A barrel weighing 6 kilograms is placed on the…

A: It can done as below

Q: If the coefficient of kinetic friction between a 22-kg crate and the floor is 0.30, what horizontal…

A: Given data: The mass of crate is m=22 kg. The kinetic friction is μ=0.3.

Q: Logs weighing 1.3 kg and 2.2 kg lie on a flat surface and are connected by a rope that breaks at a…

A:

Q: The coefficient of static friction between a rubber tire and the road surface is 0.85. What is the…

A:

Q: An object weighing 4.5kg originally suspended by a vertical cord is pulled by a horizontal force…

A:

Q: Two large forces, F1 and F2  are applied by using two cables to lift a load weighing 1 kg, as shown…

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: