Question

a truck starts from rest and rolls on down a hill with a constant acceleration. it travels a distance of 400m in 20s. Find its acceleration.Find the force acting on it if its mass is 7 tonnes [ hint : 1 tonne = 1000kg ]​

Answer 1

Answer:

u=0

s=400m t=20s

s=ut+1/2at^2

use this...nd find value of a.

then use FORCE=MASS ×ACCELERATION..

u will get the answer.

Explanation:

Im not writing the exact answer becoz..

i think u should try now on ur own..so that u will be perfect soon in such questions

Answer 2

Answer:

2800 .m 7000.kg. 140 s. Please follow