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2 September, 12:52

In order to slide a heavy cabinet across the floor at constant speed, you exert a horizontal force of 600 N. Is the force of friction between the cabinet and the floor greater than, less than, or equal to 600 N? Explain your answer.

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  1. 2 September, 16:48
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    f=600 N

    The frictional force will be equal to applied force in order to move cabinet at constant velocity.

    Explanation:

    According to Newton's Second Law of motion:

    ∑F=ma

    where:

    m is the mass

    a is the acceleration

    In our case Cabinet will move with constant velocity it means acceleration a=0

    ∑F=0

    F-f=0

    where:

    F is the applied force

    f is the frictional force in opposite direction of applied force (F).

    600-f=0

    f=600 N

    The frictional force will be equal to applied force in order to move cabinet at constant velocity.
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