Physic's equation help (Newtons laws)

iluvpandas · Oct 25, 2009

Homework Statement

What is the acceleration of a 35 kg block of cement when pulled sideways with a net force of 150 N?

what i did was f=ma
a=m/f

and just plugged the numbers in

i got 4.2 but when i entered it into the assignment it told me i was wrong.
can someone explain to me where i went wrong?

Doc Al · Oct 25, 2009

iluvpandas said:

what i did was f=ma
a=m/f

You mean, I hope, a = f/m.

i got 4.2 but when i entered it into the assignment it told me i was wrong.
can someone explain to me where i went wrong?

Probably just a round off error. Redo the calculation more accurately, then round off to two digits.

iluvpandas · Oct 25, 2009

i feel so silly
the answer was 4.3
i just needed to round up =P
oh the irony,

thanks so much for helping!