How to solve number 3? -ray#1SinghC1.23.Yuvraj SinghPrelab Questions.AFN50N 50N a = 3,00m/² 50 NA16.7= m10/14/22=NN50=1164164164F = ma50 = m(3)33Force opposing motion.10/14/22is friction.a = 0 m/s² so net force = 0FN = 16.1(9.81) box assuming the floor is frictionless.the mass m of the box.2. The same box now encounters a rough surface and moves with a constant velocity.a. Draw a free-body diagram of the box, and identify the force opposing the motion.b. Determine the coefficient of friction between the box and the surface.3. The same box is then pulled over an especially rough surface and comes to a stop. The pulling force is stillapplied and the box does not move.a. Draw a free-body diagram of the box, and identify the force opposing the motion.b. The applied pulling force is increased to 70.0 N. The box remains stationary. Determine the coefficient offriction between the box and the floor.c. The applied pulling force is steadily increased. Just before the box moves forward, the force is recorded to be144.0 N. Determine the maximum coefficient of friction between the box and the surface.4. The same box is being pulled by a force, F, at an angle, 0, above the horizontal, across a rough surface at aconstant velocity.a. Draw a free-body diagram of the box.b. Identify the forces acting on the box in the x- and y-axes.c. Will the frictional force increase or decrease as 0 is increased from 0° to 45°? Explain your reasoning.5. Considering your answers to Prelab Questions 2, 3 and 4, and the provided materials, write a procedure for howyou would determine the coefficient of kinetic (sliding) friction and the coefficient of static friction. Be sure todefine the conditions of the system in your procedure.afety Precautionsne materials in this lab are considered nonhazardous. Please follow all laboratory safety guidelines.roceduretroductory Activity1. Place the wood block without the mirror flat on a tabletop.2. Attach a Vernier force sensor or spring scale to the eyebolt.3. Measure the static friction between the block and the tabletop. Perform an adequate number of trials to ensurethe accuracy of the measurements. Record the results in a data table.4. Measure the kinetic (sliding) friction between the block and the tabletop. Perform an adequate number of trialsto ensure the accuracy of the measurements and record the results.Analyze the Results: Use the collected data to determine the values of the coefficients of kinetic and staticfriction between the wood block and tabletop.ided-Inquiry Design and Procedurerm a working group with other students and discuss the following questions.1. Explain, in your own words, the cause of friction between the surfaces of two touching objects.2. Based on the equations provided in the Background for calculating the forces of static and kinetic friction,explain the mathematical relationship between the normal force, N, and friction force, Ft.3. Expanding on your answer to the previous two questions, predict and explain how the following physical factorsaffect the force of friction.a. Large versus small surface areas of equal mass.b. Large versus small masses of equal surface area.c Rough surface versus smooth surface of equal mass and surface area.4. Examine the wood block and mirror assembly.a. Predict the relative coeffinis

Question

How to solve number 3? -ray#1SinghC1.23.Yuvraj SinghPrelab Questions.AFN50N 50N<-mLmgP = 0.305-> a = 3,00m/²> 50 NA16.7= m10/14/22=NN50=1164164164F = ma50 = m(3)33Force opposing motion.10/14/22is friction.a = 0 m/s² so net force = 0FN = 16.1(9.81) box assuming the floor is frictionless.the mass m of the box.2. The same box now encounters a rough surface and moves with a constant velocity.a. Draw a free-body diagram of the box, and identify the force opposing the motion.b. Determine the coefficient of friction between the box and the surface.3. The same box is then pulled over an especially rough surface and comes to a stop. The pulling force is stillapplied and the box does not move.a. Draw a free-body diagram of the box, and identify the force opposing the motion.b. The applied pulling force is increased to 70.0 N. The box remains stationary. Determine the coefficient offriction between the box and the floor.c. The applied pulling force is steadily increased. Just before the box moves forward, the force is recorded to be144.0 N. Determine the maximum coefficient of friction between the box and the surface.4. The same box is being pulled by a force, F, at an angle, 0, above the horizontal, across a rough surface at aconstant velocity.a. Draw a free-body diagram of the box.b. Identify the forces acting on the box in the x- and y-axes.c. Will the frictional force increase or decrease as 0 is increased from 0° to 45°? Explain your reasoning.5. Considering your answers to Prelab Questions 2, 3 and 4, and the provided materials, write a procedure for howyou would determine the coefficient of kinetic (sliding) friction and the coefficient of static friction. Be sure todefine the conditions of the system in your procedure.afety Precautionsne materials in this lab are considered nonhazardous. Please follow all laboratory safety guidelines.roceduretroductory Activity1. Place the wood block without the mirror flat on a tabletop.2. Attach a Vernier force sensor or spring scale to the eyebolt.3. Measure the static friction between the block and the tabletop. Perform an adequate number of trials to ensurethe accuracy of the measurements. Record the results in a data table.4. Measure the kinetic (sliding) friction between the block and the tabletop. Perform an adequate number of trialsto ensure the accuracy of the measurements and record the results.Analyze the Results: Use the collected data to determine the values of the coefficients of kinetic and staticfriction between the wood block and tabletop.ided-Inquiry Design and Procedurerm a working group with other students and discuss the following questions.1. Explain, in your own words, the cause of friction between the surfaces of two touching objects.2. Based on the equations provided in the Background for calculating the forces of static and kinetic friction,explain the mathematical relationship between the normal force, N, and friction force, Ft.3. Expanding on your answer to the previous two questions, predict and explain how the following physical factorsaffect the force of friction.a. Large versus small surface areas of equal mass.b. Large versus small masses of equal surface area.c Rough surface versus smooth surface of equal mass and surface area.4. Examine the wood block and mirror assembly.a. Predict the relative coeffinis

Accepted Answer

3) Given : mass (m) = 16.7 kg