Situation Anorm 3 NFfrict=5 NFapp-5 Ngray 3 MSituation Cnorm™ 20 Ngray- 20 NThe Physsemen Used with PermisinProblem SolvingSituation BFfriot-5 NFnerm3 NFgray = 3 MSituation DFair 40 Ngray - 25 N1. What is the Net Force ineach situation?2. Which situation(s) show(s) anobject with an unbalanced forceacting on it?

Answered: Image /qna-images/answer/c25b1c2f-d9cd-46ae-9570-c22b36c47eee.jpg

Situation A norm Situation C norm 20 M Fgrav 20 N Problem Solving Situation B Ffriet 5 N 3N Situation D 40 M I gray-25 N 1. What is the Net Force in each situation? 2. Which situation(s) show(s) an object with an unbalanced force acting on it?

Situation A norm Situation C norm 20 M Fgrav 20 N Problem Solving Situation B Ffriet 5 N 3N Situation D 40 M I gray-25 N 1. What is the Net Force in each situation? 2. Which situation(s) show(s) an object with an unbalanced force acting on it?

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

Similar questions

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
Two blocks, joined by a string, have masses of 6.0 and 9.0 kg. They rest on a frictionless horizontal surface. A 2nd string, attached only to the 9-kg block, has horizontal force = 30 N applied to it. Both blocks accelerate. Find the tension in the string between the blocks. a. 18N b. 28N c. 12N d. 15N
What is the direction of the net force acting on the object at position B? a. to the rightb. to the leftc. downwardd. The net force is zero.
A force acts at an angle of 52 degrees above the positive x-axis. It has a y-component of 290 N. Find (a) the magnitude and (b) the x-component of the force. Select one: a. 227 N; 290 N b. 227 N; 368 N c. 368 N; 227 N d. 471 N; 371 N
A crate (100 kg) is in an elevator traveling downwards and slowing down at 6 m/s. Find the normal force exerted on the %3D crate by the elevator. Assume g = 10 m/s2. A. 1600 N B. 400 N C. 1000 N D. 400 N E. 600 N
A small engine causes a 0.20-kg model airplane to accelerate at a rate of 12 m/s2 . What is the net force on the model airplane? A. 2.4 N B. 60. kg•m/s C. 2.4 kg•m/s D. 60 N
3. A block of mass m = 5.9 kg is pulled up a 0 = 21° incline as in the figure below with a force of magnitude F = 37 N. (Hint: remember to measure all angles from +x axis.) y a. Draw a free body diagram showing all the forces. NORml Fte F Mass = 5.9k 0-21° F-37N there b. Determine the x and y components of all the forces. X Components of Force f = 37 N Y comporents of Force F=0N X componnt of normal force=ON * Componis of weight=-5.9x 9.8x Sin 210=70. FJN Y Comperents of weight=5.9a 9.8 x Casal. - 53.98 Y Compenents of normal force=mglos H%53.98, c. Write equations summing all the x components and all the y components. F-mg Sm@= mxa 37-20.72= 5.9x a 2.7l6 = Comporunts) Normal force - mg les 0: 05 53.98-53.98-0o d. Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration. Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration.) е. 3
A force 450 N pushes on a 30.7 kg box at an angle of 50° from the horizontal. Starting from rest , the box achieves a velocity of 16.37 m/s in a time of 3.7 s. Find the coefficient of kinetic friction between the box and the floor. a. 0.24 b. 0.45 c. 0.51 d. 0.35 A child on a sled has been given a push so that he is moving up a hill. The hill is covered with icy snow and can be treated as frictionless. The child has a mass of 22.7 kg; the sled has a 3.18 kg. How far will he go before coming to a stop if his speed is 2.44 m/s when he starts at the bottom of the hill? He holds on tightly and so does not fall off the sled, and the hill makes an angle of 25.50 with the horizontal. a. 0.29 m b. 1.14 m c. 1.41 m d. 0.70 m
6A. ficA donkey pulls a block across a rough horizontal surface at constant speed v by applying force F, as shown below. The arrows in the diagram correctly indicate the directions, but not necessarily the magnitudes, of the various forces on the block. Which of the following pairs of relations among the force magnitudes W, k, N and F must be true? a. F=k and N= W 1 p0ol boilgge ots (0) 3onol aoiton o (d) not lanoiinitveg o (o) i2e looge oma2 or N 10 ,wole stal ovom xod od 2o0 (b) b. F=k and N> W c. F=k and Nk and N= W F e. F>k and Nk and N>W g. FW i. F
The combination of “crumple zones” and air bags/seatbeltsmight increase the distance over which a person stops in a collision to as great as 1.00 m. What is the magnitude of the force exertedon a 65.0-kg driver who decelerates from 18.0 m>s to 0.00 m>s over adistance of 1.00 m?A. 162 N B. 585 NC. 1.05 * 104 N D. 2.11 * 104 N
3. a. Explain, with a free body diagram, how an object can experience a zero net force when at least three forces are acting on it.
QUESTION 10 A crate (100 kg) is in an elevator traveling upward and slowing down at 6 m/s. Find the normal force exerted on the crate by the elevator. Assume g = 10 m/s. A 1600 N B. -600 N C. 400 N D, 1000 N E. -1600 N