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A constant net force acts on a box on a frictionless surface. Determine if each of the following is zero, constant, or constantly changing.?

Explain each:

a. The acceleration

b. The speed

c. The kinetic energy

d. The work done each second

e. The power

1 Answer

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  • 3 years ago
    Favorite Answer

    Assuming the surface is horizontal and the force is also horizontal.

    a) is constant, F = ma

    b) increases, since

    c) increases, it is proportional to speed

    d) increases, work = force x distance, and the distance per second is increasing

    e) increases, power is work per second

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