As a 40 N block slides down a plane that is inclined at 25 to the horizontal, its acceleration is 0.80 m/s2, directed up the plane. What is the coefficient of kinetic friction between the block and the plane?

Q: A heavy, rough crate sits on an inclined plane. The weight of the crate is 60N.  The plane is…

A: For solving this problem first we need to draw free body diagram of object and then compare the…

Q: A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2…

A:

Q: 20 kg box sits on a level floor. The box does not move until you push on it with a horizontal force…

A:

Q: A 3.3 kg block is on an incline with a coefficient of static friction of 0.50. The angle that the…

A: Let m be the mass of the block, g be the acceleration due to gravity, θ be the angle of inclination,…

Q: A person pushes horizontally with a force of 160 N on a 55.0 kg crate to move it across a level…

A:

Q: A cart coasts at a constant speed of 18.0m/s down a flat inclined road that makes an angle of 3.1°…

A:

Q: I am travelling along a flat highway at 60mi/hr (26.8 m/s). (a) If the coefficient of friction…

A:

Q: A 10 kg-block moves on a smooth horizontal surface with a speed of 10 m/s and slides into another…

A: Given data: Mass = 10 kg Initial speed = 10 m/s Coefficient of friction = 0.25 Need to determine the…

Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk…

A:

Q: A manufacturer of children's slides does some tests and discovers that the slope of a slippery slide…

A: The data given is as follows, 1. Slope of the slide, θ=25° 2. The weight of the child is, mc=35 kg…

Q: A horizontal force of 200 N is used to push a 50.0-kg packing crate a distance of 6.00 m on a rough…

A:

Q: A book is caused to slide with initial velocity 4.59 m/s on a rough floor. If the coefficient of…

A:

Q: A box weighing 980N is pulled along a horizontal surface by means of a cord which is at 25° above…

A:

Q: Skid marks left by the driver are 56.0 m long and the roadway is level. Tires matching those on the…

A:

Q: A hockey puck is sliding across a level frozen pond with an initial speed of 7.9 m/s. Friction is…

A:

Q: A 30 kg sled slides down a 30 degree hill. If the coefficient of friction between the sled and the…

A: The free-body diagram of the sled on the inclined hill is shown below. Here, a is the acceleration,…

Q: Bob and Jane are trying to pull a heavy box (m=500 kg) to the top of a ramp which is inclined at 15…

A: How hard to Bob and Jane have to pull the box in Newtons to get it to start moving up the ramp.…

Q: 45kg gymnast wedges himself between two closely spaced vertical walls by pressing his hands and feet…

A: Given,  Mass = 45 kg   We need to calculate,  Friction force with given condition =?

Q: A 118 kg box sits on a flat surface where it has a static friction coefficient of μs = 0.524 and a…

A: The minimum force (Fmin) that must be applied to the box of mass m =118 Kg is resting on a flat…

Q: A flatbed truck is carrying a 20-kg crate up a sloping road. The coefficient of static friction…

A: Mass of crate =20 kgcoefficient of static friction between the crate and the bed is 0.40,coefficient…

Q: A 1.00 × 103-N crate is being pushed across a level floor at a constant speed by a force → F of…

A:

Q: A person pushes horizontally with a force of 170. N on a 52.0 kg crate to move it across a level…

A: Given data: The horizontal force is F=170 N. The mass of crate is m=52.0 kg. The coefficient of…

Q: A person is dragging a packing crate of mass 74.9 kg across a rough horizontal floor where the…

A: Here given that the person dragged a mass 74.9 kg by a force F at an angle 43° . The kinetic…

Q: A heavy box of mass M is found at rest on an inclined loading ramp as indicated in the figure. The…

A:

Q: a mass is given an initial velocity v0= 3.4ms up a 15 degree incline.  a) if the coefficient of…

A: Given data: Initial velocity of the mass, vo=3.4 m/s Inclined angle, θ=15o Coefficient of kinetics…

Q: A small girl is pushing a wagon of a mass 20kg along the sidewalk. The girl is pushing on the wagons…

A: The sum of forces acts along the direction of the wagon is ∑Fx=0Fcosθ-f=0 rearrange it for…

Q: A 7.3 kg crate is moved rightward across a horizontal surface by a horizontal force such that it has…

A:

Q: A hockey puck on a frozen pond is given an initial speed of 20 m/s. If the puck always remains on…

A: Using kinematics equation, v2=u2+2asa=v2-u22s Use the given values, a=0-20 m/s22115 m=-1.74 m/s2

Q: A block with a mass of 3.44 kg is sliding down an inclined surface. The surface makes an angle of…

A: The expression for the coefficient of kinetic friction by equating the forces along inclined surface…

Q: 2. An athlete slides down from rest 40.0 meter along an icy hill which is 35 degrees from the…

A: Length of icy hill (L)=40 m Angle of inclination (θ)=35o Coefficient of kinetic friction (μ)=0.2…

Q: A person slides a bottle with mass 0.20 kg along a level table.  It leaves his hand at 2.8 m/s and…

A:

Q: An object moves with an initial speed of 5.01 m/s. It then enters a region with friction causing the…

A: Work done by the constant friction force is:Wfric = Ffricd = μFNdbut FN = mgTherefore, Wfric =…

Q: A 2000 kg trailer truck travels down a road with slope 0.2 with a speed of 20 kph. If the truck…

A: Solution:-Given thatmass of truck (m)=2000 kgSlope (tanθ)=0.2Initial speed (u)=20…

Q: A 10 kg block sits on a horizontal surface and is pushed parallel to that surface.  The coefficients…

A: Given: The mass of the object is 10 kg. The coefficient of the static friction is 0.2. The…

Q: A box of mass mb is being blown by a strong steady wind across the level surface of a picnic table.…

A:

Q: Two children are pulled on a sled over snow-covered ground. The sled is pulled by a rope that makes…

A: Given:Combined mass of children, mc = 45 kgmass of the sled, ms = 5.0  kgtotal mass the the…

Q: A sled is traveling 4.00m/s along a horizontal stretch of snow. The coefficient of kinetic friction…

A: The frictional force acting on the sled can be given as, Fk=-μkmg The acceleration of the sled can…

Q: The box below has been given an initial velocity of 2.60 m/s directed up the ramp. The angle the…

A: Given that:- Initial velocity of ramp=2.6m/s up the ramp

Q: A person pushes horizontally with a force of 200. N on a 56.0 kg crate to move it across a level…

A:

Q: A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2…

A: Given, angle, θ = 29° initial speed of the block, u = 1.2 ms final speed of the block is zero as it…

Q: A 1.2 kg crate slides down a 300 ramp with a height of 2.77. The crate has a speed of 2.90 m/s at…

A: mass of crate (m) = 1.2 kg Angle of ramp (θ) = 30oHeight (h) = 2.77 m speed of crate at the bottom…

Q: A crate starts from rest and slides 8.05 m down a ramp. When it reaches the bottom it is traveling…

A: The change in velocity of the body must be due to acceleration, so acceleration can be calculated…

Q: In the back of the truck is a 200kg box that has a coefficient of static friction of 0.8 and a…

A:

Q: Many birds can attain very high speeds when diving. Using radar, scientists measured the altitude of…

A: Given: The vertical distance of the dive is 208 m. The time taken is 3.0 s. The mass of the swallow…

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: