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Physics, 21.03.2019 03:12 nathancar

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in order to do work, the force vector must be

question 1 options:

in a different direction than the acceleration vector.


in the same direction as the displacement vector and the motion.


in the same direction as the acceleration vector.


in a different direction than the displacement vector.


in which of the following cases is work being done on an object?

question 2 options:

carrying a box down a corridor


pulling a trailer up a hill


pushing against a locked door


suspending a heavy weight with a strong chain


which situation is an example of not doing work?

question 3 options:

running up stairs


throwing a baseball


lifting a couch


carrying a box

work is measured in

question 4 options:

joules


meters


watts


newtons

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Answers: 3

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