APFIVE Net Force and Kinetic Friction
A 500 g block is placed on a horizontal surface with a coefficient of static friction μₛ = 0.4 and a coefficient of kinetic friction μₖ = 0.3. If the block is initially moving at 2 m/s and a horizontal force of 1.5 N is applied in the direction of motion, what happens to the block’s velocity?
A
The velocity decreases until the block stops
B
The velocity remains constant
C
The velocity decreases but the block doesn’t stop
D
The velocity increases
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