If you have ever been in a car at a stoplight beside a large truck, you probably noticed that the car took off from the stop much more quickly than the truck.
Explain why it is harder to start and stop the motion of a large truck than that of a
small car

this is because of Enertia

Explanation:

To understand this , you need to know the definition of Enertia,

Enertia is the reluctance of an object to change its initial state of rest or motion due to its mass

so when an object has more mass, it will be more reluctant to change whatever it is doing.

for example, when a big sized guy and very skinny guy is running at the same speed, but when they come around the corner, who will have a difficult time Turning around the corner and stopping ?

the big person right?

so when the truck is at rest ( stationary) it will be reluctant to change its rest position, right?

so it will be reluctant when the engine ons

but since it has heavier mass than a small car, it will be more reluctant to start

same goes for stopping, the truck will be more reluctant to change its motion.

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b would be the answer

15.3 cos 65 degrees trig