A person is pushing on the bottom crate in a stack of two crates as shown. The entire system is at rest. 2 1 Which of the following statements regarding this situation is FALSE? The normal force of Crate 1 on Crate 2 forms a Newton's Third Law pair (or "action-reaction" pair) with the normal force of Crate 2 on Crate 1. The force of the person pushing on Crate 1 is equal in magnitude to the force of static friction from the floor on Crate 1. The force of static friction between Crate 1 and Crate 2 is zero. There are exactly two forces acting on Crate 2. There are exactly four forces acting on Crate 1.

A person is pushing on the bottom crate in a stack of two crates as shown. The entire system is at rest. 2 1 Which of the following statements regarding this situation is FALSE? The normal force of Crate 1 on Crate 2 forms a Newton's Third Law pair (or "action-reaction" pair) with the normal force of Crate 2 on Crate 1. The force of the person pushing on Crate 1 is equal in magnitude to the force of static friction from the floor on Crate 1. The force of static friction between Crate 1 and Crate 2 is zero. There are exactly two forces acting on Crate 2. There are exactly four forces acting on Crate 1.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.19CQ: Give reasons for the answers to each of the following questions: (a) Clan a normal force be...

See similar textbooks

Similar questions

You are pulling a string with a force of 209N attatched to a heavy box of mass 27Kg across your carpeted floor. The coeffiecent of kinetic friction between the object and the floor is 0.29. The string attached is at an angle of 48 degrees with respect to the horizontal ground. With what acceleration is the box attatched to the string. -4.05 m/s^2 -5.75 m/s^2 -4.41 m/s^2 -4.01 m/s^2 -5.18 m/s^2
200 N **26. Two strings are pulling on a 50-kg block as shown. The block does not move. The coef ficient of static friction between the floor and the block is us = 0.6. 100 N 370 530 a) Find the magnitude of the normal force exerted by the floor on the block. b) Find the magnitude of the static friction force by the floor on the block. 50 kg
A 15 kg block is observed to be speeding up as it moves up an incline. The magnitude of the block's acceleration is 1.2 m/s 2 . The angle of the incline is 24 o above the horizontal. An applied force is predominantly directed up the incline but its direction is 12o above the incline itself Find the magnitudes of the following forces: a. The normal force exerted by the incline. b. The applied force. Needs Complete typed solution with 100 % accuracy.
2. A man pushes a crate of mass 70kg along a horizontal floor with a constant horizontal force in an easterly direction. Starting from rest, the trunk. reaches a velocity of 1.5 m/s (E) after 3.0s. The coefficiant of Kinetic friction between the crate and the floor is 0.34. Determine the man's horizontal applied force. Be sure to draw a free body diagram fram and indicate positive direction.
1. Consider the forces acting on these three changes and list in order of the magnitude of the force starting with the smallest. A B -C -q +q +q Find FA Find FB Find Fc List in order of the magnitude
A person pushes on a stationary 125 N box with a force of 93N at 30 degrees below the horizontal. The coefficient of static friction between the box and the horizontal floor is 0.76. what is the normal force on the box? what is the friction force on the box? what is the largest the friction force could be? the person now replaces his push with a 93N pull at 30degrees above the horizontal. Find the normal force on the box in this case.
A block of mass ?=2.80 kg is being pulled by a force ?⃗ of magnitude 12.0 N on a horizontal, smooth (frictionless) surface. The force makes an angle ?=30.0° abovethe horizontal, as shown in the figure. a)Find the magnitude of the normal force exerted by the surface on block. b)Find the acceleration of the box. c)If the box starts from rest, what would be its speed after it travels 2.00 m?
Consider the figure shown in the following figure. You are loweringtwo boxes, one on top of the other, down a ramp by pulling on a ropeparallel to the surface of the ramp. Both blocks move with constantvelocity of 10.0 [m/s]. The coefficient of kinetic friction between theramp and the lower box is 0.555 and the coefficient of static frictionbetween the two boxes is 0.750. A. Draw the Free-Body diagram of both blocks. Set the ?-axis parallel to the ramp. B. Write Newton’s 2nd law along the ? and ? directions for both blocks considering their state of motion (accelerations). C. What are the magnitude and direction of the frictional force on the upper box? D. What is the magnitude of the applied force? E. Determine the angle at which the top block will start to slide down the bottom block.
Consider the figure shown in the following figure. You are loweringtwo boxes, one on top of the other, down a ramp by pulling on a ropeparallel to the surface of the ramp. Both blocks move with constantvelocity of 10.0 [m/s]. The coefficient of kinetic friction between theramp and the lower box is 0.555 and the coefficient of static frictionbetween the two boxes is 0.750. A. Draw the Free-Body diagram of both blocks. Set the ?-axis parallel to the ramp. B. Write Newton’s 2nd law along the ? and ? directions for both blocks considering their state ofmotion (accelerations). C. What are the magnitude and direction of the frictional force on the upper box? D. What is the magnitude of the applied force? E. Determine the angle at which the top block will start to slide down the bottom block.
You move a 50-kg crate by pushing it with a 120N force at an angle of 42 degrees above the horizontal as shown in the figure. You push the crate to keep it moving with constant velocity. What is the magnitude of the normal force on the crate that you pushed?
Problem 9: A book is resting on a horizontal tabletop. The book is stationary and there are no external forces applied to the book. If necessary, use Fs for the force of static friction and Fk as the force of kinetic friction. Please use the interactive area below to draw the Free Body Diagram for the book. * Add Force S Reset All Fn v 45 x Fn Ftotal,x: + (pos) Ftotal,y: + (pos)
i'm doing chapter 4 problem 12p in the college physics 11th edition text book. On bartleby it says that "total force along the x axis is fx= f1sin30degrees - f2sin10degrees" my question is that wouldnt it be the cosine since it is the x axis and not sin?? i put a image below