Question

the mass of car is 1200kg. if the car is moving with the velocity of 30m/s, how much force should be applied to stop the car in 20 sec

Answer 1

Explanation:

MASS= 12OO KG

INITIAL VELOCITY = 30m/s

FINAL VELOCITY = 0m/s

TIME =20s

FORCE = MASS × ACCELERATION

1200 KG. × 30-0

20

1200KG × 3

2

600KG. × 3

1800 N