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fallen186
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Homework Statement
A block of mass 5kg is attached to a spring with a spring constant, k = 200N/m, and hangs down so that it rests on a table as shown below.(Sorry no picture) This causes the spring to strech by 10 cm from its equilibrium length. Assume the static coefficient of friction between the table and block is 0.6. An external force, F, is applied in the positive x-direction, as shown.
b. calculate the force on the block due to the stretched spring.
d. Calculate maximum force,F, that canbe applied to the block such that the block will continue to remain at rest.
Homework Equations
F=-kx
Ff=[tex]\mu[/tex]*Fn
The Attempt at a Solution
b. F=-kx
F=-200N/m * .1m
F=20N
d.5kg*9.81m/s^2 - 20N = 29.05N
Ff=[tex]\mu[/tex]*Fn
Ff=.6*29.05N
Ff=17.43N