A 1.0 N block is pushed against the ceiling by a 3.5 N force at a 60° angle as shown in thefigure. The coefficient of static friction between the block and the ceiling is 0.9. If the block is inequilibrium, what is the magnitude of the frictional force acting on the block.60°3.50 NO 1.75 NO 2.73 NO 3.63 N0.9 N

Given data: Weight of the block = 1.0 N Force applied (F) = 3.5 N Angle (θ) = 60° Coefficient of…

Answered: A 1.0 N block is pushed against the…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 21PQ

See similar textbooks

Similar questions

(a) What is the minimum force of friction required to hold the system of Figure P4.74 in equilibrium? (b) What coefficient of static friction between the 100.-N block and the table ensures equilibrium? (c) If the coefficient of kinetic friction between the 100.-N block and the table is 0.250, what hanging weight should replace the 50.0-N weight to allow the system to move at a constant speed once it is set in motion? Figure P4.74
A block of ice (m = 15.0 kg) with an attached rope is at rest on a frictionless surface. You pull the block with a horizontal force of 95.0 N for 1.54 s. a. Determine the magnitude of each force acting on the block of ice while you are pulling. b. With what speed is the ice moving after you are finished pulling? Repeat Problem 71, but this time you pull on the block at an angle of 20.0.
A sleigh is being pulled horizontally by a train of horses at a constant speed of 8.05 m/s. The magnitude of the normal force exerted by the snow-covered ground on the sleigh is 6.37 103 N. a. If the coefficient of kinetic friction between the sleigh and the ground is 0.23, what is the magnitude of the kinetic friction force experienced by the sleigh? b. If the only other horizontal force exerted on the sleigh is due to the horses pulling the sleigh, what must be the magnitude of this force?
If the coefficient of kinetic friction, lk, between the block and the surface is 0.40 and the magnitude of the frictional force is 80.0 N, what is the weight of the block? 1.6 N 160 N 166 N 200 N 410 N
A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30. A horizontal 140-N force is applied to the box. What is the friction force on the box? 0.00 N 160 N 140 N 16.5 N 42 N
You want to push a 7-kg box up a 15 ramp. The coefficient of kinetic friction between the ramp and the box is 0.30. With what magnitude force parallel to the ramp should you push on the box so that it moves up the ramp at a constant speed? Tkg 8-15° O 55.56 N O 37.67 N O 23.50 N 16.56 N
A 40-N crate rests on a rough horizontal floor. A 12-N horizontal force is then applied to it. If the coefficients of friction are ls = 0.5 and uk = 0.4, the magnitude of the frictional force on the crate is: O 40 N 8 N O 12 N O 20 N O 16 N Submit Answer
The 498-N force is applied to the 89-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H₂ = 0.66 H = 0.52 Answer: F= i 36° N P = 498 N
The figure shows a 1.0 kg block being pulled to the right by a 7.0 N force. The block is not moving. The coefficients of static and kinetic friction are 1.0 and 0.5, respectively. How big is the friction force acting on the block? OOO ΟΝ 4.9 N 7.0 N 9.8 N 1 kg μs = 1 μk = 0.5 Mk Some other value 7.0 N
7. A 8.00 kg block is pressed against a vertical wall by a force (F), as shown in the figure below. The coefficient of static friction between the block and the wall is 0.34 and the directional angle 0 for the force is 36°. Determine the magnitude of the force (F) when the block is about to slide N up the wall. 50 ssf60 ssf60 ssfo ssf60 ssf60 ssf60 ssf60 ssf60 ssro 0 ss0 s160 ssf60 ssf60 ssf60 ssf60 ssie sf60 ssf60 ssf60 ssf60 ssf60 60 ssf60 ssfO
A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The coefficients of static friction and kinetic friction between the surface and the box are μ?= 0.450 and μ?= 0.400, respectively. Then, a horizontal force ?⃗ is exerted on the box. a. If the magnitude of the force ?⃗ is 12.0 N, what is the magnitude of the friction force on the block? b. If the magnitude of the force ?⃗ is 25.0 N, what is the magnitude of the acceleration of the block?
Two rough blocks are at rest on a slope as shown. Block A mass is 5 kg. Block B mass is 10 kg. The coefficient of static friction is 0.5 between all surfaces. y A B 1 20° Bonus 1: What is the magnitude of the static friction force from the slope on B? Bonus 2: What is the magnitude of the static friction force B exerts on A? Bonus 3: What is the magnitude of the static friction force A exerts on B?

SEE MORE QUESTIONS

Recommended textbooks for you

Physics for Scientists and Engineers: Foundations…

Physics

ISBN:

9781133939146

Author:

Katz, Debora M.

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781285737027

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

Physics for Scientists and Engineers: Foundations…

Physics

ISBN:

9781133939146

Author:

Katz, Debora M.

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781285737027

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

SEE MORE TEXTBOOKS