Purchase Solution

String Attached to a Block on a Horizontal Surface

Not what you're looking for?

Ask Custom Question

Consider a string attached to a block on a horizontal surface. If you gradually pull very gently and horizontally on the string and increase the force very slowly until the block moves at a constant velocity. What happens to the frictional force just as the block begins to slide? Explain.

Purchase this Solution
Solution Summary

A string attached to a block on a horizontal surface is given. The solution includes a diagram and brief explanation. The solution is 75 words.

Solution Preview

We analysis three different status of the block.
In the first phase, the block does not move. It is ...

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.

Classical Mechanics

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

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.

The Moon

Test your knowledge of moon phases and movement.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Two Blocks and Two Pulleys System

    This string wraps around a massless pulley and then wraps around a second pulley that is attached to a block of mass m_2 that is free to slide on a frictionless table. The string is firmly anchored to a wall and the whole system is frictionless.

  • Problem Set

    m/s2 (up the incline) Find the tension in the string. N Figure P4.26 6. A 2.00 kg block is held in equilibrium on an incline of angle = 70° by a horizontal force applied in the direction shown in Figure P4.50.

  • Calculate what the acceleration of the system will be

    vertically downward -- see Attachment) Tension on the block = T Block has acceleration in vertical downward direction.

  • Problems based on Newton's laws of motion.

    The net force on the men must be zero. Hence the earth will exert a horizontal force on the men in the backward direction will be 200 N and this is the reaction of earth due to the push of the men on the ground.

  • Force and acceleration

    A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a 12-N force that pushes the larger block against the smaller one. Determine the force that the 2-kg block exerts on the 4-kg block.

  • Buoyant Force, Projectile Range

    a body that is held in equilibrium by a string attached to a point in the base of the water container and the tension in the string.

  • Dynamics: Find the magnitude of the acceleration of the block after system is released

    11700 Magnitude of acceleration of the block after system is released A uniform, solid cylinder with mass M and radius 2R rests on a horizontal tabletop.

  • Springs and Inclined Planes

    Show that the coefficient of kinetic friction between the block and the horizontal surface is 0.102. 2. Two blocks, A and B (with mass 50kg and 100kg respectively) are connected by a string as shown in the attached picture.

  • Speed of Blocks on an Incline

    The second block hangs vertically and is firmly attached to a spring that has negligible mass and a force constant of k. The opposite end of the spring is firmly attached to a horizontal surface.

View More Related Solutions