Question
Asked Feb 27, 2019
12 views
14. A chain is being unwound from a winch. The force of gravity
on it is 12.0 N/m. When 20 m have been unwound. how much
work is done by gravity in unwinding another 30 m?
help_outline

Image Transcriptionclose

14. A chain is being unwound from a winch. The force of gravity on it is 12.0 N/m. When 20 m have been unwound. how much work is done by gravity in unwinding another 30 m?

fullscreen
check_circle

Expert Answer

Step 1

The expresion for the...

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: (a) The average speed of an object is the total distance traveled by the object divided by the elaps...

question_answer

Q: The hydrogen atom consists of a proton of mass 1.67 × 10-27 kg and an orbiting electron of mass 9.11...

A: The equation for the gravitational force is given by

question_answer

Q: A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west direction is acted on ...

A: The expression for the net torque about the center of mass of the beam,

question_answer

Q: A 0.545-kg basketball is dropped out of a window that is 6.02 m above the ground. The ball is caught...

A: The mass of the ball=0.545 kg.The distance from ground to window=6.02 m.The distance from hand to gr...

question_answer

Q: A 10.6 g wire of length 84.8 cm is suspended by a pair of flexible leads in a uniform magnetic field...

A: (a)  Assume that the magnetic field is perpendicular to both length of the wire and the paper. When ...

question_answer

Q: 40. Two balls with masses M and m are connected by rigid rod of length L and negligible mass as show...

A: a)Moment of Inertia for mass M is,

question_answer

Q: A solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an an...

A: The equation for the moment of inertia of a solid cylinder is given by

question_answer

Q: a top with radius 10cm, mass 2 kg has a string around the edge and is initially at rest. assume the ...

A: Consider the figure and observe that, force by the string acts tangentially. Therefore, the angle be...

question_answer

Q: A uniform electric field has a magnitude of 10 N/C and is directed upward. A charge brought into the...

A: Magnitude of charge q is,