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easy physics question?

if a force acts on a body, that body must

a- change direction

b- change speeds

c- accelerate

d- not enough info

and also

if a net force acts on a body, that body must

a- change direction

b- change speeds

c- accelerate

d- not enough info

3 Answers

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  • wgh
    Lv 5
    1 decade ago
    Favorite Answer

    not a) : what if force is acting in the same direction of travelling object.

    not b) : what if force is acting on an immovable object (wall?).

    not c) : as b.

    ANS d) : need more information.

    not a) : what if net force acting in same direction of travelling object.

    not b) : circular motion has net force but speed doesn't change.

    ANS c) : velocity (vector) must change when there's a net force (not = 0).

  • 1 decade ago

    Question 1I answer is d) not enough information

    Question 2) The body will accelerate. (remember that acceleration includes a change in velocity or direction)

  • 1 decade ago

    1) c [F=ma (change in acceleration make change in force)]

    2) a

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