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April 23, 2014

Homework Help: Physics

Posted by teamjakeward on Sunday, February 15, 2009 at 1:18pm.

please check these answers for me

When an object is moving with uniform circular motion, the centripetal acceleration of the object
a. is circular
b. is perpendicular to the plane of motion
c. is zero
d. is directed toward the center of motion

D

What is the term for the net force directed toward the center of an object's circular path?
a. circular force
b. centrifugal force
c. centripetal force
d. orbital force

C

Which of the following can be a centripetal force?
a. friction
b. gravity
c. tension
d. all of the above

D

When an object is moving with uniform circular motion, the object's tangential speed
a. is circular
b. is perpendicular to the plane of motion
c. is constant
d. is directed toward the center of motion

i'm not really sure about this one..


thanks :)

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