For each of the following statements, determine whether it is true or false. Tru

Question

For each of the following statements, determine whether it is true or false.
True False  The kinetic energy of an object depends on the direction of the motion involved.
True False  If the earth revolves around the sun in a perfectly circular orbit, then the sun does not do any work on the earth.
True False  The work done to raise a box onto a platform depends on how fast it is raised.
True False  The kinetic energy can never be negative.
True False  Work cannot be done in the absence of motion.
True False  The kinetic energy depends on the reference frame of the observer.
True False  The friction force is a conservative force.
True False  Spring A is stiffer than B (kA > kB). Less work must be expended on spring A if both springs are stretched by the same amount.

Explanation / Answer

F
T
T
T
F
F

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