A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO OVERCOME A TOTAL RESISTANCE OF 400N WHILE BRAKING.

Question

(I) CALCULATE THE BRAKING FORCE OF THE CAR
(II) WHAT WAS THE DRIVING OF CAR OF THE CAR?

Answer 1

The total force decelerating the car was
F = M a = 120,000 N

The numbers you have presented don't make sense.

Neither does Part II of your question