A mover is dragging a 70 kg box across the floor. The coefficient of kinetic friction between the floor is 0.13. (A) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s if he pulls horizontally. (B) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s² if he pulls horizontally. Te (C) Calculate the magnitude of the normal force exterted on the box if the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the horizontal. (D) If the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the horizontal, what is the acceleration of the box?

A mover is dragging a 70 kg box across the floor. The coefficient of kinetic friction between the floor is 0.13. (A) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s if he pulls horizontally. (B) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s² if he pulls horizontally. Te (C) Calculate the magnitude of the normal force exterted on the box if the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the horizontal. (D) If the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the horizontal, what is the acceleration of the box?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A girl exerts a horizontal force of 109 N on a box with a mass of 30.7 kg. HINT (a) If the box…

A: Given mass of a box = 30.7 kg horizontal force applied = 109 N we have to calculate (a) magnitude of…

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: If the coefficient of static friction between a 35 kg table and the floor is 0.25, how much…

A: The horizontal force exerted on the table to start move on the floor is, Fh=fs=μsN=μsmg

Q: A box weighing 35 N is pulled horizontally until it slides uniformly over a level floor. If the…

Q: (a) At a construction site, a pallet of bricks is to be suspended by attach- ing a rope to it and…

Q: A 7.5 kg backpack is sliding across the floor. The coefficient of friction between the backpack and…

Q: On a rough surface you want to pull a heavy object of 125 kg, if the coefficient of friction is µk =…

Q: A worker pushes horizontally on a 36.0 kg crate with a force of magnitude 113 N. The coefficient of…

A: As per our guidelines, we can solve only 3 subparts. please resubmit remaining parts.

Q: (a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her…

Q: Consider the 52.0-kg mountain climber shown below. (a) Find the tension in the rope and the force…

Q: A bedroom bureau with a mass of 42 kg, including drawers and clothing, rests on the floor. (a) If…

Q: A person drags a crate along the floor with a rope, which makes a 40.0 degree angle with the…

Q: A 6.00 kg sled is pulled across a frictionless horizontal surface by a rope that makes a 42 degree…

Q: The coefficient of kinetic friction between a 1.5-kilogram block and a table is 0.23. Two students…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: An object of mass 30.0 kg rests on a rough horizontal plane and the coefficient of friction between…

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box the…

A: The mass of the box=55kg.The coefficient of static friction =0.30.The coefficient of kinetic…

Q: A bedroom bureau with a mass of 42 kg, including drawers and clothing, rests on the floor. (a) If…

A: Solution :-

Q: A crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the…

Q: A box rest on an incline making a 35 angle with the horizontal. It is found that a parallel force…

A: Given data The angle of inclination of the incline is θ=35°. The parallel force applied to the block…

Q: If I pull a 120kg sled with 240N of force and it accelerates with an acceleration a=0.5m/s^2, what…

Q: A box of bananas weighing 40.0 N rests on a horizontal surface. The coefficient of static friction…

Q: A worker pushes horizontally on a 37.0 kg crate with a force of magnitude 113 N. The coefficient of…

Q: Block B in the figure weighs 711 N. The coefficient of static friction between the block and table…

A: The weight of block B is: The coefficient of static friction is: The given angle is:

Q: here is an object with mass of 70 kg, you are pulling it with a rope angled at 28 degrees up with…

Q: A crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the…

Q: (a) A flatbed truck moving at 28 m/s carries a steel girder that rests on its wooden floor. The…

A: (a) Given that, Initial speed of the truck () = 28 m/s…

Q: A block of wood that has a mass of 5 kg rests on a horizontal surface. A horizontal force of 20 N…

A: (a) Analyze the free body diagram of the given system. Here, F, fs, W and N represent the…

Q: If a block of mass 889g is being pulled with a force of 2.2N parallel to a horizontal surface with a…

Q: Suppose you have a 100-kg box full of books resting on a wood floor, with coefficient of static…

Q: A crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the…

Q: If the coefficient of friction between 84.1 kg mass (placed on the horizontal surface) and the…

A: Given : mass of the object, m = 84.1 kg coefficient of friction, μ = 0.46

Q: If a 3kg box is moving down a ramp with ramp angle 15° and a friction coefficient μk of 0.4, what is…

A: The free-body diagram of the above problem is shown in the figure below: From the above diagram mg…

Q: The coefficient of static friction between a 2.0 kg box and a plane inclined 28° to the horizontal…

Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A mover is dragging a 70 kg box across the floor. The coefficient of kinetic friction between the floor is 0.13.
(A) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s if he pulls horizontally.
(B) Calculate the force the mover exerts to drag the box across the floor at a constant rate of 1.02 m/s² if he pulls horizontally.
(C) Calculate the magnitude of the normal force exterted on the box if the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the
horizontal.
1.
(D) If the mover pulls the box with twice the force from part (B) but pulls at an angle of 19 degrees above the horizontal, what is the acceleration of the box?

18
(E) How hard must the mover pull to move the box with the same acceleration as part (D) if he pulls at an angle of 19 degrees below the horizontal?
(F) What is the normal force exerted on the box when the mover pulls on the box with the force from part (E) at an angle of 19 degrees below the horizontal?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Given data

VIEW

Step 2: Calculation of force

VIEW

Step 3: Calculation of force

VIEW

Step 4: Calculation of normal force

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 5 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A box with a mass of 9.52kg, is on a ramp with an incline of angle of 23.10°. What is the coefficient of static friction?
A crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.440, calculate the following. edi ume (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 91.0 N moves the crate. (c) Calculate the normal force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal.
What is the magnitude of the normal force the object is receiving from the surface if the coefficient of friction between the object and the surface it is on is 0.26 and it experiences a force of friction of magnitude 59.5N? Fn = unit
A 7.5 kg backpack is sliding across the floor. The coefficient of friction between the backpack and the floor is 0.20. Answer the following: Is this static or kinetic friction?
Calculate the ratio of the drag force on a jet flying at 900 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at one-fifth the speed and half the altitude of the jet. The density of air is 0.38 kg/m3 at 10 km and 0.67 kg/m3 at 5.0 km. Assume that the airplanes have the same effective cross-sectional area and drag coefficient C. (drag on jet/drag on transport) =
A block of wood of mass 5kg rests on a horizontal surface. If a horizontal force of 20N is applied to the block and the block is still at rest. Calculate the following: (a) The friction force between the surface and the block (b) The normal force on the block (c) The coefficient of static friction
A 26.8 kg box sits on a ramp at an angle of 13° above the horizontal. If the coefficient of static friction between the box on the ramp is 0.215, what minimum applied force is required to keep the box at rest?
inclined at an angle of 26.6º. Since the box is on wheels, assume that friction is negligable. A mover is pushing a 122 kg box up a ramp. The ramp is inclined at an 0 (A) Calculate the force the mover exerts to push the box up the ramp at a constant rate of 1.4 m/s. Assume he pushes parallel to the ramp. (B) Calculate the force the mover exerts to push the box up the ramp at a constant rate of 1.4 m/s². Assume he pushes parallel to the ramp. (C) Calculate the normal force the ramp exerts on the box. 1069.05 N 4.
A normal force of steel block is 50 N. The coefficient of kinetic friction is 0.5. Find the frictional force acting on the steel block.
Suppose you have a stack of 6 identical steel bars (steel bars have a mass of 1.50 kg each). You are required to pull out bar number 4 from the stack (counting from the top of the stack down). Assuming that your assistant holds all other bars in place. If the coefficient of friction between steel and steel is 0.710, how hard do you have to pull (in N)?
Our 10.0-kg mystery box rests on a horizontal floor. The coefficient of static friction is 0.40 and the coefficient of kinetic friction is 0.30. Determine the force of friction, acting on the box if a horizontal applied force is exerted on it of magnitude: (a) 0, (b) 10 N, (c) 20 N Use 9.81m/s sqaured for the gravity and also F sub A unit for the applied force
A log is dragged along the ground at a constant speed by a force of 425 N at an angle of 45.08 above horizontal. Find the horizontal component of force exerted by the ground on the log