# Homework Help: Merchanics problem

1. Sep 3, 2006

### tralblaz

I am just starting out in Mechanics at my University. (Mechanincs is also known as statics and dynamics). I am having trouble working (what should be a simple) problem.

Here is the problem:

Find the velocity X(with 1 dot above the x) and the position X as a functin of the time t for a particle of mass m, which starts from rest at x=0 and t=0, subject to the following force functions:

Fx=f0+ct
where F0 and c are positive constants

Any help is greatly appreciated.

2. Sep 3, 2006

### Hootenanny

Staff Emeritus
Think Newton's second law;

$$F = ma = m\ddot{x}$$

3. Sep 3, 2006

### tralblaz

Thanks, I wass thinking of Newton's 2nd, but you also have to integrate problem, correct?

Thanks for any help and Newton's confirmation :)

4. Sep 3, 2006

### Gokul43201

Staff Emeritus
Yes, you need to substitute the given expression in the equation for Newton's Second and integrate it to get the required answers.

Please post similar problems under the Introductory Physics subforum next time.