Purchase Solution

A 50-kg sled is pulled 20 meters over ice at a constant speed. What is the frictional force? How much work is done?

Not what you're looking for?

Ask Custom Question

A 50-kg sled is pulled 20 meters over ice at a constant speed. The coefficient of friction between the sled and the ice is 0.13.

A) What is the frictional force?
B) How much work is done in pulling the sled 20 meters?

Purchase this Solution
Solution Summary

The solution shows the formula and calculation to arrive at the answers.

Purchase this Solution
Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Basic Physics

This quiz will test your knowledge about basic Physics.

View More Free Quizzes
Related BrainMass Solutions

  • Force and Newton's 2nd law

    If a cord is pulled upward, making an angle of 27º with respect to the horizon line, produces a force of 365N and can pull a box over the floor with a weight of 55.2 kg at a constant speed of 20.5 centimeters/sec - which is the magnitude of the friction

  • Force and acceleration

    In the vertical direction, Therefore, the frictional force is In the horizontal direction, the sled is moving at constant velocity. Therefore, the net force is 0. Answer: b 19.

  • Classical mechanics

    A 28-kg child slides down a playground slide from a height of 3.0 m above the bottom of the slide. If her speed at the bottom is 2.5 m/s, what is the work done by non-conservative forces? 81.

  • 17 Problems All in Mechanics: Force, tension, energy, vel...

    Question 6: A particular spring has a force constant of 2.5 X 103 N/m. (a) How much work is done in stretching the initially-relaxed spring by 6.0 cm? (b) How much more work is done in stretching the spring an additional 2.0 cm?

  • Linear Momentum and Collisions - Acceleration and Time

    Show the algebraic steps a) What is the acceleration of the box? b) How long does it take to move 5.0 meters? c) What is its speed at this point (5.0 meters)?

  • Free Body Diagram

    What is a pound in terms of slugs, feet and seconds? 2. A box is on a sled. The sled is pulled up a hill as shown. The box does not slide off the sled. Draw the LABELED free body for the sled and for the box.

  • Set of problems on mechanics

    (b) How much work do you do if you push the box for 35s. Chapter 8: 6. An object is thrown upward to a person on a roof. At what point is the object's kinetic energy at maximum?

  • Friction force, impulse momentum, mass and speed, direction

    395098 Friction force, impulse momentum, mass and speed, direction 1. A sled and rider, gliding over horizontal, frictionless ice at 4.1 m/s, have a combined mass of 70 kg. The sled then slides over a rough spot in the ice, slowing down to 2.6 m/s.

  • Tension, work done and increase in internal energy

    40127 Tension, work done and increase in internal energy A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope.

View More Related Solutions