Part AYou want to nail a 1.9 kg board to the wall of a bam, as shown below. To position the board before nailing, you push it against the wall with a horizontal force F to keep it from sliding to the ground. The coefficient, of static friction between the board and the wall is 0.64.The least force you can apply and still hold the board in place is (enter your answer with two significant figures)Fnet = ma6,max = HgNW = mgTemgtates Symbols undo regdo reset keyboard shortcuts helpSubmitRequest AnswerPart BTwo reasons we know that the force of static friction does not increase when you push harder than the force calculated in PART A. are (choose the best answer)once f reaches fa max it cannot increase any further and the board would accelerate upwards if you could push hard enough to make f exceed the weight of the board (We know this does not happen.).maxO the value of u. between the board and the wall increases as you push harder, but it cannot exceed 1 and the board would accelerate upwards if you could push hard enough to make f exceed the weight of the board (We know this does not happen.).O if you push too hard the wall will break and the value of H. between the board and the wall increases as you push harder, but it cannot exceed 1.you push too hard the wall will break and once f, reaches fa max it cannot increase any further.s,maxO if you push too hard the wall will break and the board would accelerate upwards if you could push hard enough to make f, exceed the weight of the board (We know this does not happen.)oncereaches famay it cannot increase any further and the value of u. between the board and the wall increases as you push harder, but it cannot exceed 1.

mass m = 1.9 kg co-efficient of static friction is μ = 0.64 From the given figure F is applied…

Part A You want to naila 1.9 kg board to the wall of a barn, as shown below. To position the board before naling, you push it against the wall with a horizontal force F to keep it from sliding to the ground. The coefficient.of static friction between the board and the wall is 0.64 The least force you can apply and still hold the board in place is (enter your answer with two significant figures) Fret ma mas = HN W= mg TemgtatesBymEor undo redo Teset keyboard shortcuts help N. Submit Reguest Anewer Part B Two reasons we know that the force of static friction does not increase when you push harder than the force calculated in PARTA. are (choose the best answer) O once t, reaches ma it cannot increase any further and the board would accelerate upwards if you could push hard enough to make t, exceed the weight of the board (We know this does not happen.) O the value of u, between the board and the wall increases as you push harder, but it cannot exceed 1 and the board would accelerate upwards if you could push hard enough to make , exceed the weight of the board (We know this does not happen.) OH you push too hard the wall will break and the value of u, between the board and the wall increases as you push harder, but it cannot exceed 1. O if you push too hard the wall will break and once , reaches mas t cannot increase any further. O if you push too hard the wall will break and the board would accelerate upwards if you could push hard enough to make f, exceed the weight of the board (We know this does not happen) O once t, reaches fmaxit cannot increase any further and the value of u, between the board and the wall increases as you push harder, but it cannot exceed 1.

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 72A