# An object with a mass of #7 kg# is on a surface with a kinetic friction coefficient of # 8 #. How much force is necessary to accelerate the object horizontally at # 1 m/s^2#?

##### 1 Answer

May 10, 2018

#### Answer:

#### Explanation:

On a frictionless surface

#"F = ma"#

Here, surface is rough. So, an additional force is required to have same acceleration

#"F = ma + μmg"#