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Need help with physics!

okay i have a physics test tmrw, he gave us a study guide, and i dont know any of it!

Using Newton's laws explain what would happen to a ball in a wagon if it went

a - from at rest to accleration
b - from acceleration to at rest
c - at constant speed
d - from constant speed to acceleration

and

Q. What are accelerations produced by?

December 21, 2010

4 Comments • Newest first

imkrazy

@XxSparkehxX: can you explain why each event happens in accordance to newtons law please?

Reply December 21, 2010
XxSparkehxX

[quote=imkrazy]i have to explain thoroughly wha happens to the ball. someone, anyone, please help or im screwed!1[/quote]

Really now, you shouldn't take Physics as a class if you can't do the basics. Read the post above yours and that explains all the basics for you, work it out from their.

Reply December 21, 2010
imkrazy

i have to explain thoroughly wha happens to the ball. someone, anyone, please help or im screwed!1

Reply December 21, 2010
Macaroni

Your question is too vague
however, acceleration is caused by forces. Absence of force -> inertia -> no acceleration.

Reply December 21, 2010