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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
- billrussell42Lv 73 years agoFavorite 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