Intro to Forces + Newton's Laws Video Lessons

Concept

# Problem: A 10-kg block is pushed across a friction-free horizontal surface with a horizontal force of 20 N. The acceleration of the block is?A) 1 m/s2B) 2 m/s2C) 5 m/s2 D) 10 m/s2E) none of the above

###### FREE Expert Solution

This problem requires the application of Newton's second law:

Newton's second law:

$\overline{){\mathbf{\Sigma }}{\mathbf{F}}{\mathbf{=}}{\mathbf{m}}{\mathbf{a}}}$

###### Problem Details

A 10-kg block is pushed across a friction-free horizontal surface with a horizontal force of 20 N. The acceleration of the block is?

A) 1 m/s2

B) 2 m/s2

C) 5 m/s

D) 10 m/s2

E) none of the above