Question

a truck starts from rest and roll town are Hill with a constant acceleration it travels a distance of 400 metre in 20 seconds find its acceleration find the force acting on it if the mass is 710 hint 1 ton is equal to mm​

Answer 1

Answer:

acceleration =20m/s

Explanation:

acceleration =distance\time

400÷20=20m\s

Answer 2

Answer:

Given : initial velocity of the truck(u) = 0m/s

Distance(s) = 400m

Time(t) = 20s

According to newton's second law of motion : s = ut + 1/2a(t)^2

Substitute values

S = 0×20+1/2×a×20×20 S = 0+200a

400m=200a(s)^2

400/200 m/(s) ^2=a

a = 2m/(s)^2

Mass = 710 kg

Force = mass × acceleration

= 710×2 N

= 1420 N