Question

A truck has a mass of 8000 kg. What must be the force between the truck and

road if the truck is to be stopped with a retardation of 2.5 m/s2?​

Answer 1

Answer:

To Find:-

• Force Exerted

Given:-

• Mass=8000kg
• Retardation= 2.5,then
• Acceleration= -2.5m/s² (-1=Acceleration)

Solution:-

We know

Force= Mass×Acceleration

Force=8000×- 2.5

Force= -20000

Therefore the force exerted by the truck is 20000N

minus sign implies that ,force acted against the direction