Question:

A block of unknown mass sits at rest on a surface where the coefficient of static friction is 0.8. You apply a horizontal force

A block of unknown mass sits at rest on a surface where the coefficient of static
friction is 0.8. You apply a horizontal force to the block, and find that it requires a
force of 200 N to start the motion of the block. If you move the block to a location
where the coefficient of static friction is 0.4, what horizontal force do you need to
apply to get the box to move?
400 N
50 N
200 N
800 N
100 N

A block of unknown mass sits at rest on a surface where the coefficient of static friction is 0.8. You apply a horizontal force to the block, and find that it requires a force of 200 N to start the motion of the block. If you move the block to a location where the coefficient of static friction is 0.4, what horizontal force do you need to apply to get the box to move? 400 N 50 N 200 N 800 N 100 N

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