Question

If an irregularly shaped object (such as a wrench) is dropped from rest in a classroom and feels no air resistance, it will:

A) accelrate and turn about its center of gravity with uniform angular accelration.

B) accelrate and spin until its center of gravity reaches its highest point.

C) accelrate and turn until its center of gravity reaches its lowest point.

D) accelrate and turn about its center of gravity with uniform angular speed.

E) accelerate but will not spin.

Answer 1

Answer:

E) Accelerate but will not spin.

Explanation:

If there is no air resistance the object will accelerate but will not spin, this is because in the absence of air resistance same force is exerted on every portion of the object. Force on every portion is directed downward i.e parallel force. So there is no force to produce spin motion in it.

It will accelerate due to gravity.

Answer 2

In the case when there should be irregularly shaped object and the same should be fall so here the option E should be considered.

Impact on object:

At the time when there is no air resistance, so here the object will accelerate however it will not spin, due to this there is an absence of air resistance also the same force should be exerted on each & every portion of the object.

Force on every portion should be directed downward i.e parallel force.Therefore we can conlcude that the option e is correct.

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