OA balanced net force must be applied.OAn unbalanced net force must be applied.O The net force must be zero.O The net force must be greater than the applied force.Question 3(Multiple Choice Worth(01.03 LC)For an object at rest, the normal force equals the gravitational force. What is the sum of these forces called?O Net forceOUnbalanced forceO InertiaO Potential forceQuestion 4Multiple Choice(01.03 LC)What kind of motion will an object have when forces on it are balanced?OIt will not move at all.Previous QuestionQuestion 1 (Answered)吕口F3F1O00DODF4F2

An object at rest is acted by an upward normal reaction force and an equal and opposite…

Answered: OA balanced net force must be applied.…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section: Chapter Questions

Problem 55AP: A car moves at speed v across a bridge made in the shape of a circular arc of radius r. (a) Find an...

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The gravitational force exerted on an astronaut on the Earths surface is 650 N directed downward. When she is in the space station in orbit around the Earth, is the gravitational force on her (a) larger, (b) exactly the same, (c) smaller, (d) nearly but not exactly zero, or (e) exactly zero?
A car moves at speed v across a bridge made in the shape of a circular arc of radius r. (a) Find an expression for the normal force acting on the car when it is at the top of the arc. (b) At what minimum speed will the normal force become zero (causing the occupants of the car to seem weightless) if r = 30.0 m?
e.co CU ct sona- n ect Pool artment... W 24,919 8. A mass m₁ = 9.00 kg is connected by a light string that passes over a pulley of mass M = 14.0 kg to a mass m₂ = 12.5 kg sliding on a horizontal frictionless surface (see figure). There is no slippage between the string and the pulley. What is the magnitude of the tension that is acting on mass m₂? (The moment of inertia of the pulley is ½/Mr².) N # 3 20 $ 4 R 999 F4 % 5 FS ^ 6 tv © MacBook Air Y & 7 m₂ F7 * 8 Dall 1 ( 9 M m₁ A 02 DD ) 0 P ISULI H by mi 04 M vauies or roe puffer
moodle.nct.eduom/mod/qi -Learning Portal Courses - Reports - e-Services- Academic Departments - ETC - CIMS - A 17kg crate resting on a horizontal surface is pushed as shown. If the coefficient of static friction u, between the surfaces is 0.24, what is the minimum force (F) required to start the motion? O a 4.08N O b. 70.83N Oc 39.98N Od. 694.17N Windows buut An object of mass Skg is sliding with a constant velocity of 10m/s on a frcitionless horizontal table. The force needed to keep the object moving with the same velocity is. 144 4- # 4. 6. V.
Question 3An object of mass 45 kg is drawn upward an inclined plane by a force of 600N. The coefficient of friction between the object and the plane is 0.56. angle of inclination of the plane is 30o to the horizontala). what is the acceleration of the object? b). if at the top of the plane, the object slide down freely on the plane under its own weight, with i. what acceleration and ii. velocity does it strike the ground? c) what would be the acceleration if the plane was frictionless?
Sam is an active swole guy who enjoys multiple sports and excels at the track in the decathlon. Sam has a mass of 116kg and stands around 2.0m tall. if Sam pushes on the ground to begin running with a backward force of 4910N and downward force 1524N. a) how large is the resultant of these forces? b) what is the direction of the resultant force? c) describe what happens right after Sam applies these forces to the ground?
Which of these is correct about the moon's motion around the earth? Centrifugal force acting on the moon balances the force of the earth's gravity. The moon exerts no O gravitational force on the earth. O The moon is in free fall. There is no gravity O acting on the moon because it is in orbit.
A10,854 N car traveling at 25m/s rounds a curve of radius 200m. Find the force that maintains centripetal acceleration.
A 1250-kg car is being pulled up a frictionless ramp at a constant speed, as shown in the figure. (Figure 1) The cable makes an angle of 31.0∘ above the surface of the ramp, and the ramp itself rises at 25.0∘ above the horizontal. B) Find the tension in the cable. C) How hard does the surface of the ramp push on the car?
A horizontal force is used to pull a 5.0-kilogram cart at a constant speed of 5.0 meters per second across the floor. The force of friction between the cart and the floor is 10. newtons. V 5.0 m/s Horizontal force 5.0 kg Floor 127. What is the magnitude of the horizontal force along the handle of the cart? 128. Calculate the weight of the cart.
A 3.0-kg box is held at rest against a vertical wall by a pushing force from my hand. Use g = 10 m/s². Match the anwers with questions. (Hint: Draw a proper free-body diagram.) 120 N 3 kg What is the magnitude and direction of the weight force on the box from the earth? What is the magnitude and direction of the pushing force on the box from the hand? ◆ What is the magnitude and direction of the normal force on the box from the wall? What is the magnitude and direction of the friction force on the box from the wall? What is the net force on the box? A. 120 N, down B. 30 N, to the left C. zero, therefore no direction D. 30 N, down E. 120 N, to the left F. 30 N, up G. 120 N, up H. 120 N, to the right I. none of the given J. 30 N, to the right
(6.08 kg) dumbbell q K Z . O dumbell (6.08 kg) X The man's arm has position vector of (-0.421, 0.856, 0.250> [m] what realtronery forces does the man meed exert from his shoulder joins, ie. point Of to keep the 2 weight Stationary? ll typ bow rs

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