A jack is used to the force.​

A jack is used to lift the force.

I think that's the answer. I don't really understand the question.

the body's situation won't change the forces are equal opposit and on the same body

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles