how much force is needed to accelerate a 1,000 kg car at a rate of 9 m/s2?
a.
13,500 n
b.
1,000 n
c.
9,000 n
d.
4,500 n

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)