New TabSWork and Power QUIZ | Schoolo Xm/assignment/3321700147/assessmentK Play Kahoot! - Ente.Joh Getting to Know Ea.Question 1 (1 point)What conditions must be met in order for work to be done?alMotion must be in the same direction of force.Force and motion are all that is required.C.There must be force, but motion is not required.There must be motion, but force is not required.Question 2 (1 point) logy.com/assignment/3321700147/assessmentNew Tab K Play Kahoot! - Ente. J Getting to Know Ea.Question 1 (1 point)What conditions must be met in order for work to be doneMotion must be in the same direction of force.Force and motion are all that is required.There must be force, but motion is not required.There must be motion, but force is not required.Question 2 (1 point)A quantity that measures how much work is done in a given an

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Description: New TabSWork and Power QUIZ | Schoolo Xm/assignment/3321700147/assessmentK Play Kahoot! - Ente.Joh Getting to Know Ea.Question 1 (1 point)What conditions must be met in order for work to be done?alMotion must be in the same direction of force.Force

W=Fdcosθ F is the force d is the displacement θ is the component of force in the direction of…

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What conditions must be met in order for work to be done? Motion must be in the same direction of force. Force and motion are all that is required. There must be force, but motion is not required. There must be motion, but force is not required.

What conditions must be met in order for work to be done? Motion must be in the same direction of force. Force and motion are all that is required. There must be force, but motion is not required. There must be motion, but force is not required.

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)...

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1. Pete lifts a 500 Newton barbell to a height of 1.2 meters. (a) How much force must Pete apply to lift the barbell, assuming he is lifting with a constant speed? (assume he is past the initial acceleration of lifting the barbell) (b) How much work does Pete do in lifting the barbell to this height? [E-S-A]
Is it possible that the work done by a force is negative? Give an example.
A 1350-kg car is traveling with an initial speed of 25.0 m/s. Determine the car's speed after -2.20 × 10° J of net work is done on the car. X m/s
3. Suppose you have an object attached to a bizarre spring, initially located at x = 0, the equilibrium point of the force of the spring on the object is given by F₁ = kx, S where k is a spring constant. (a) You displace the object from x = 0 to ₁ > 0, holding the object steady at the beginning and end. What is the work done by the spring? What is the work done by you? (b) You let go of the spring and observe the object move from location. x₁ to x2. Is x2 less than or greater than ₁? (c) What is the kinetic energy of the object at x2? (d) Is this bizarre spring realistic? Explain.
A force F shown in the figure below acts on a particle moving along the x axis. Determine the work done on the particle by this force as it moves from the following initial to final positions. Fx (N) 8 6 4 21 X (m) 20 10 15 (a) from x = 0 to x= 6.00 m 24 If the force curve F is a straight line over the displacement of interest, how may we determine the work done by this force acting over this displacement? J (b) from x = 6.00 m to x = 10.0 m 32 If the force curve F is a straight line over the displacement of interest, how may we determine the work done by this force acting over this displacement? J (c) from x = 10.0 m to x = 14.0 m 16 If the force curve F is a straight line over the displacement of interest, how may we determine the work done by this force acting over this displacement? J 1x (d) from x = 0 to x = 14.0m
A worker pushing a 35.0-kg wooden crate at a constant speed for 13.6 m along a wood floor does 400 J of work by applying a constant horizontal force of magnitude F0 on the crate. (a) Determine the value of F0. ____N (b) If the worker now applies a force greater than F0, describe the subsequent motion of the crate. (c) Describe what would happen to the crate if the applied force is less than F0.
20
9. A particle is subject to a force F, that varies F, (N) with position as shown in the figure. Find the work done by the force on the particle as it 3 2 moves (a) from x = 0 to x = 5 m, (b) from 1 x = 5 m to x = 10 m, and (c) from x = 10 m to x = 15 m. x (m) 2 4 6. 8. 10 12 14 16
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A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.44 m/s. The pulling force is 104 N parallel to the incline, which makes an angle of 19.5° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.92 m. (a) How much work is done by the gravitational force on the crate? -152.37 J (b) Determine the increase in internal energy of the crate-incline system owing to friction. 471.0 X A careful free-body diagram of the crate may help you determine the magnitude of the friction force. J (c) How much work is done by the 104-N force on the crate? 511.68 J (d) What is the change in kinetic energy of the crate? 184.95 J (e) What is the speed of the crate after being pulled 4.92 m? 6.47 m/s
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