A rocket is moving through empty space in a straight line

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Reference no: EM13643489

A rocket is moving through empty space in a straight line with constant speed. It is far from gravitational effect of the earth or any planet or star. Under these conditions, the force that must be applied to the rocket in order to sustain the motion is

a. equal to its weight

b. equal to its mass

c. dependent on how fast it is moving

d. zero

Reference no: EM13643489

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