Find the minimum horizontal force required to move the block

Reference no: EM13271851

A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block and the desk is 0.43. Find the minimum horizontal force required to move the block if the following occurs.

(a) The block is being pressed into the surface with a 4 N force.

(b) The block is partially supported by a vertical string under a tension of 2 N.

Reference no: EM13271851

Questions Cloud

What does the scale read now : A cube made of steel 0.300 meters on a side is suspended from a scale until it is completely immersed in fresh water

Compute the energy of a photon emitted an electron : Calculate the energy of a photon emitted an electron in a hydrogen atom undergoes a transition from n=3 to n=1

Find the distance to the object creating the echo : A sonar echo returns to a submarine 1.40 s after being emitted. What is the distance to the object creating the echo

Find out the molecular formula : Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is CH2O.

Find the minimum horizontal force required to move the block : A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block, Find the minimum horizontal force required to move the block

Explain what is the energy of its electron : consider a hydrogen atom in the ground state. what is the energy of its electron? Now consider an excited- state hydrogen atom. what is the energy of the electron in the n=2 level

What beat frequency is produced : A custom car built for pretentious people has two brass horns that are supposed to produce the same frequency, What beat frequency is produced

Explain what kinetic energy must the electrons : To resolve an object in an electron microscope the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 2.60 nm in diameter

What is cultural diversity : Highlight the concepts involved in weighing societal choices in response to issues brought up by cultural encounters and debate the concept of treating different groups of people fairly or unfairly.

User Account

All Pages