(d) the force of gravity on the bucket in part (c)The bucket does work on gravity.The force of gravity does work on the bucket.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work is done.(e) the leg muscles of a person in the act of sitting downThe leg muscles do work on the individual.The individual does work on the leg muscles.The individual does work on the chair.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work is done. Discuss whether any work is being done by each of the following agents and, If so, whether the work is positive or negative.(a) a chicken scratching the groundA chicken does work on the ground.O The ground does work on the chicken.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work Is done.(b) a person studying (holding up a book but not moving it)• The person does work on a book.O The book does work on the person.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work is done.(c) a crane lifting a bucket of concreteThe crane does work on the bucket.The bucket does work on the crane.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work is done.(d) the force of gravity on the bucket in part (c)O The bucket does work on gravity.MacBook Air

Name: (d) the force of gravity on the bucket in part (c)The bucket does wor
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: (d) the force of gravity on the bucket in part (c)The bucket does work on gravity.The force of gravity does work on the bucket.No work is done.Is the work positive or negative?The work is positive.The work is negative.No work is done.(e) the leg mus

Answered: Image /qna-images/answer/b052c6c5-3002-454a-97d3-2d90c6998985.jpg

Science

Physics

(d) the force of gravity on the bucket in part (c) The bucket does work on gravity. The force of gravity does work on the bucket. No work is done. Is the work positive or negative? The work is positive. The work is negative. No work is done. (e) the leg muscles of a person in the act of sitting down The leg muscles do work on the individual. The individual does work on the leg muscles. The individual does work on the chair. No work is done. Is the work positive or negative? The work is positive. The work is negative. No work is done.

(d) the force of gravity on the bucket in part (c) The bucket does work on gravity. The force of gravity does work on the bucket. No work is done. Is the work positive or negative? The work is positive. The work is negative. No work is done. (e) the leg muscles of a person in the act of sitting down The leg muscles do work on the individual. The individual does work on the leg muscles. The individual does work on the chair. No work is done. Is the work positive or negative? The work is positive. The work is negative. No work is done.

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

Related questions

Q: 1.The work done by the hand on the block is positive. is negative. is zero. has a sign which…

A: Given: block is moving on an inclined surface. inclination angle = θ direction of force = parallel…

Q: 2. If a man lifts a 20.0-kg bucket from a well and does 6.00 kJ of work, how deep is the well?…

A: solution is given as

Q: Can you expend energy without doing any work? Given an example.

Q: A 355 kg box is pulled 7.00 m up a 30°3 frictionless, inclined plane by an external force of 4775 N…

A: The work done by the force is given by Where F = Force applied, S = distance covered, θ = Angle…

Q: Suppose that F is applied on an object to move it a distance s. Further suppose that F is measure in…

A: We need to find work done .

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A: Mass of the object m = 281.5 kg distance lifted d = 17.1 cm = 0.171 m

Q: A particle moves from the origin to the point æ = 3.0 m, y = 24 m along the curve y = ax² – bx,…

A: The particle moves from origin to the pointsx = 3 my = 24 mAlong the curvey = ax2 - bxa = 4 m-1b = 4…

Q: If you push against an immovable object, such as a brick wall, you may tire yourself out, but you…

A: When we apply some force (F) on an object and it gets displaced (d) then work done on the object is…

Q: How much work was done on him by gravity?

Q: As shown in the figure below, a box of mass m = 57.0 kg (initially at rest) is pushed a distance d =…

A: (a) Work done by the applied force is WA=FAdcosθ=216 N98.0 mcos30°=18330 J (b) Work done by the…

Q: A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. F The box…

A: θ=Angle of application of force=30°m=Mass of box=6.3 kgs=Vertical displacement=2.9 mμ=Coefficient of…

Q: ) How much work must be done on a heavy object to lower it from a height where it has 4000 J of GPE…

Q: You are reshelving books in your dorm room. You lift a book from the ground to the top shelf. The…

A: According to the question, the kinetic energy at the ground and at the final height h(say), the…

Q: The force F = (3i - j) N acts on a particle, causing a displacement of Ar = (3i + 2j) m. Find the…

A: Answer W=7 J

Q: You push very hard on a heavy desk, trying to move it. You do work on the desk: O whether or not it…

A: As from the definition of work , work on any object is said to be done when a force acts upon an…

Q: A 4.20-kg box has an acceleration of 2.10 m/s2 when it is pulled by a horizontal force across a…

Q: A 2 kg rock is thrown upward, with a speed of 5 m/s and returns to the same spot, with the same…

A: Give Mass m = 2 kg Initial velocity is U = 5 m/s in upward direction. Final velocity is V = 5 m/s…

Q: a-) Determine the work a hiker must do on a 15.0-Kg backpack to carry it up a hill of height…

A: a)Work done by hiker w=mgh=15*9.81*10=1471.5J b)Work done by gravity W=-mgh=-15*9.81*10=1471.5J

Q: In which of these situations is work being done? A B C D You sit in a chair reading your textbook.…

A: Solution: Given: In which of these situations is work being done? A. You sit in a chair reading your…

Q: person pushes a box up an incline with constant force, and after calculating how much work they did…

A: Given work done by the person is greater than the work done by gravity. When we move a body on an…

Q: Ffr = 20 N Fapp 200N %D

A: Given, Fapp=200N Ff=20N The net force is in the forward direction (towards Right)=200-20 Net…

Q: (a) If force and displacement have the same direction, the work done is ________________. (b) If…

Q: A 996 kg car is travelling at a velocity of 15.4 m/s. How much work must be done on the car by the…

A: Given: The mass of the car is 15.4 m/s. The mass of the car is 966 kg. The final velocity of the car…

Topic Video

Question

100%

(d) the force of gravity on the bucket in part (c)
The bucket does work on gravity.
The force of gravity does work on the bucket.
No work is done.
Is the work positive or negative?
The work is positive.
The work is negative.
No work is done.
(e) the leg muscles of a person in the act of sitting down
The leg muscles do work on the individual.
The individual does work on the leg muscles.
The individual does work on the chair.
No work is done.
Is the work positive or negative?
The work is positive.
The work is negative.
No work is done.

Discuss whether any work is being done by each of the following agents and, If so, whether the work is positive or negative.
(a) a chicken scratching the ground
A chicken does work on the ground.
O The ground does work on the chicken.
No work is done.
Is the work positive or negative?
The work is positive.
The work is negative.
No work Is done.
(b) a person studying (holding up a book but not moving it)
• The person does work on a book.
O The book does work on the person.
No work is done.
Is the work positive or negative?
The work is positive.
The work is negative.
No work is done.
(c) a crane lifting a bucket of concrete
The crane does work on the bucket.
The bucket does work on the crane.
No work is done.
Is the work positive or negative?
The work is positive.
The work is negative.
No work is done.
(d) the force of gravity on the bucket in part (c)
O The bucket does work on gravity.
MacBook Air

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Describe a situation in which a force is exerted for a long time but does no work. Explain.
1. Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.5000 cm during a blow in which the 7.0000-kg arm and glove are brought to rest from an initial speed of 10.0000 m/s. ▬▬ - Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? % (a) Calculate the change in kinetic energy of the glove and arm. AKE = (b) Where does this energy go? O Search 5 O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm T 4- 6 Y 17 + & J 7 90 8 * 8 U I 이 144 ( 9 110 DII O E DDI I P 2 { 4 ( ← backs
(2) The combined force of lift and thrust on a model airplane is a constant F = (4î + 3j + 6k) N. a. How much work is done by the force F if the displacement of the airplane is: A = (6î – 5j – 3k) m? %3D b. Will this force cause the airplane to speed up, slow down or maintain a constant speed?
1-) A box with a mass of 10 kg is pulled along a roughly inclined plane at an initial speed of 1.5 m / s. The pulling force is 100 N parallel to the inclined plane at an angle of 20 ° to the horizontal. If the kinetic coefficient of friction is 0.4 and the case is pulled to a distance of 5 m, (a) How much work is done against gravity? (b) How much work is being done against friction? (c) How much work does a 100 N force do? (d) What is the change in the kinetic energy of the chest? (e) What is the speed of the crate after 5 m has been towed? (sin20 ° = 0.35 and cos20 ° = 0.94)
09) An object of weight 'W' is resting on an inclined plane inclined at 0" to the horizontal. Show that the horizontal W (sin 0 + µcos0) (cos 0-usin 0) force needed to just push the block up the inclined plane is F= where u is the coefficient of friction. 10) A particle is projected along a rough inclined plane straight up with kinetic energy E. Show that the work done Εμcosθ sin θ+ μcos against friction before the particle comes to rest is where u is the coefficient of friction and 0 is the inclination of the plane to the horizontal. 11) A block slides down an inclined plane with a constant velocity 'v'. It is then projected up the plane with an initial u? velocity 'u'. Show that the distance it can rise before coming to rest is 4g sin 0
Answer all the questions