7. To move a large crate across a rough floor, you push on it with a force F at an angle of 21° below the horizontal, as shown in the below figure. Find the force necessary to start the crate moving, given that the mass of the crate is 32 kg and the coefficient of static friction between the crate and the floor is 0.57.

7. To move a large crate across a rough floor, you push on it with a force F at an angle of 21° below the horizontal, as shown in the below figure. Find the force necessary to start the crate moving, given that the mass of the crate is 32 kg and the coefficient of static friction between the crate and the floor is 0.57.

Name: 7.To move a large crate across a rough floor, you push on it with a f
Uploaded: 2024-03-20T06:57:57.000Z
Channel: Bartleby
Description: 7.To move a large crate across a rough floor, you push on it with a force F at anangle of 21° below the horizontal, as shown in the below figure. Find the forcenecessary to start the crate moving, given that the mass of the crate is 32 kgand the coe

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 23P: While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch....

See similar textbooks

Similar questions

A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift, each arm exerts an upward force of 355 N on the torso. If the upward movement starts from rest, what is the persons velocity at that point?
(a) What force causes an automobile to move? (b) A propeller-driven airplane? (c) A rowboat?
Consider Figure 5.28. The driver attempts to get the car out of the mud by exerting a perpendicular force of 610.0 N, and the distance she pushes in the middle of the rope is 1.00 m while she stands 6.00 m away from the car on the left and 6.00 m away from the tree on the right. What is the tension Tin the rope, and how do you find the answer?
While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch. Andrea’s force is due north with a magnitude of 130.0 N and Jennifer’s force is 32 east of north with a magnitude of 180.0 N. (a) Find the net force in component form. (b) Find the magnitude and direction of the net force. (c) If Andrea and Jennifer’s housemates, David and Stephanie, disagree with the move and want to prevent its relocation, with what combined forceFDS should they push so that the couch does not move?
A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under construction, down to ground level, accelerating downward at a rate of 1.2m/s2 . Find the magnitude of the force the garbage exerts on the floor of the service elevator?
A 45.0-kg crate of tools rests on a horizontal floor. You exert a gradually increasinghorizontal push on it and observe that the crate just begins to move when your forceexceeds 313 N. After that you must reduce your push to 208 N to keep it moving at asteady 25.0 cm/s. (a) What are the coefficients of static and kinetic friction between thecrate and the floor. (b) what push must you exert to give it an acceleration of 1.10 m/s2 ?
T2 W To hang a 6.00 kg pot of flowers, two wires are used-one attached horizontally to a wall, the other sloping upward at an angle of 45degree and attached to the ceiling. Find the tension in each wire.
You are climbing on a hill that is inclined at 15degrees with the horizontal and you wish tobuild a rope tow to pull yourself up. Ignoring friction, calculate the tension you needed on therope to give your body that has a mass of 45kg a 1.5 m/s^2 acceleration. What if you are toconsider the friction of 100N, what is the value of the tension and coefficient of friction?
(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 8.00 x 10-5 kg hangs motionless on it. (Enter a number.) (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0° 5.0° T. y4 T. Ta The strand sags at an angle of 12.0° below the horizontal. (Enter a number.) Compare this with the tension in the vertical strand (find their ratio). (Enter a number.) (tension in horizontal strand) / (tension in vertical strand) =
23. Two identical boxes are being pulled across a horizontal fl oor at aconstant velocity by a horizontal pulling force of 176 N that is applied toone of the boxes, as the drawing shows. There is kinetic friction betweeneach box and the fl oor. Find the tension in the rope between the boxes.
(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯º kg hangs motionless on it. (Enter a number.) N (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0° 5.0° T. w T. TR The strand sags at an angle of 12.0° below the horizontal. (Enter a number.) N Compare this with the tension in the rtical strand (find their ratio). (Enter a number.) (tension in horizontal strand) / (tension in vertical strand)
A240 kg blockis inikiallyat rest on a horizontal surface. A horizontal force F of magnitude 6.01 Nand a vertical force 7 are then applied to the block see the figure). The coefficients of friction for the block and surface are s - 04 and -0.25. Determine the magnitude of the frictionalforce acting on the blockif the magnitude of P is (a)7.00 N and (b)10.0 N. (The upward pull is insufficient to move the block vertically) (a) Number Units (b) Number Units