Homework Help: Physics

Posted by Mary on Tuesday, March 20, 2007 at 3:02pm.

Is a net force being applied to an object when the object is moving downward under the following conditions?

a) with a constant acceleration of 9.80 m/s2
yes
no
not enough information to decide
Explain.

(b) with a constant velocity of 9.80 m/s
yes
no
not enough information to decide
Explain.

a) Net force= mass*acceleration. If the acceleration is not zero, then Net force is not zero.
b) Is there an acceleration?

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