Purchase Solution

Force and motion

Not what you're looking for?

Ask Custom Question

019 (part 1 of 4)
A 39.1 kg box initially at rest is pushed 3.94 m along a rough, horizontal floor with a constant applied horizontal force of 67.462 N. If the coefficient of friction between box and floor is 0.139, find the work done by the applied force. The acceleration of gravity is 9.8 m/s2 .
Answer in units of J.

020 (part 2 of 4)
Find the work done by the friction.
Answer in units of J.

021 (part 3 of 4)
Find the change in kinetic energy of the box.
Answer in units of J.

022 (part 4 of 4)
Find the the final speed of the box.
Answer in units of m/s.

Purchase this Solution
Solution Summary

Question related to force, friction, motion and work is solved.

Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves

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

Basic Physics

This quiz will test your knowledge about basic Physics.

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.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

View More Free Quizzes
Related BrainMass Solutions

  • Physics of a Baseball

    Therefore, there is no change in motion Again the resulting force is zero and there is no change in motion. Unlike balanced forces, unbalanced forces always cause a change in motion. They are not equal and opposite.

  • Horizontal force required to set a block in motion: static and kinetic friction

    (A) From the force diagram and first law of motion, Therefore, (B) From the force diagram and first law of motion, Therefore, (C) From the force diagram and the second law of Newton, Therefore

  • Velocity/basic/1/2

    Whenever one object exerts a force on a second object, the second exerts an equal and opposite force on the first.

  • Physics

    225516 List and define each of Newton's Laws governing linear motion 3. List (by number and name) and define with words or equations each of Newton's Laws governing linear motion. Give a real life example illustrating each. 4.

  • The Motion of a Charge Particle in a Magnetic and Electric Field

    the direction of motion and behaves as centripetal force, moves the particle on a circular path.

  • Newton's Three Laws of Motion

    a, and the applied force F is F = ma.

  • Newton's Laws

    This jet comes out with great force and according to the third law "There should be a reaction force". This force which is equal in magnitude but opposite in direction is responsible for the forward motion of the rocket.

  • Physics - Mechanics - Force

    (b) Period of motion of the mass = 2(pi).sqrt(m/k) = 2(pi).sqrt(0.5/22) = 0.95 seconds. The expert examines the mechanics of a force of motion. Complete, neat and step-by-step solutions are provided.

  • Force diagrams, vectors and equations of motion

    531033 Force diagrams, vectors and equations of motion A parachutist and her parachute have a combined mass of 80 kg.

  • Motion on a Sphere

    93207 Motion on a Sphere Particles Motion on a sphere. A particle of mass m is constrained to move on the surface of a sphere of radius R by an applied force F (a vector) and a function of Theta, Phi. Write the equation of motion.

View More Related Solutions