Science offers final explanations of the universe and its phenomena

Indicate whether the statement is true or false


Ans: False

Physics & Space Science

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When you shuffle your feet on a carpet on a dry day, you can accumulate a charge. The fact that you accumulate a charge means that the carpet is

A. an insulator, because if it weren't, the charge would immediately leave you. B. a conductor, because conductors always have extra electrons. C. an insulator, because only insulators can be charged by contact. D. a conductor, because charge cannot leave an insulator and move to you.

Physics & Space Science

When the vector sum of three co-planar forces, , , and , is

parallel to , we can conclude that  and  A.

must sum to zero.

B.
must be equal and opposite.

C.
must have equal and opposite components perpendicular to .

D.
must have equal and opposite components parallel to .

E.
must have equal and opposite components parallel and perpendicular to .

Physics & Space Science

Is it possible to do work on an object that remains at rest?

a. Yes b. no

Physics & Space Science

The element named ______________ was detected spectroscopically on the Sun before it was found on Earth

Fill in the blank(s) with correct word

Physics & Space Science