Question

A metal block is sliding along an infinite, frictionless, horizontal plane. There are only two forces acting on the metal block: gravity and an upward force from the plane. Which of the following best describes the metal block's motion?

A. 

The metal block will eventually slow down and stop.

 B. 

The upward force will accelerate the metal block forward.

 C. 

Gravity will accelerate the metal block downward.

 D. 

The metal block will move at the same speed forever

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Answer 1

D

Explanation:The metal block will move at the same speed forever.

Answer 2

(A) The metal block will eventually slow down and stop.

Step-by-step explanation:

The two forces will eventually slow down and stop the metal block.

Note:

You posted your science question on the science page. It's not a problem, but it may not get answered next time since people on this page are looking to answer Spanish questions only. Glad to help though! Good luck on your quiz/test!