A 8 kg pumpkin accelerates through the air at 2 m/s2 before smashing into the ground. How much force was required to get it into the air?

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 8 × 2

We have the final answer as

Hope this helps you

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

its first and third is your answer i did the qustion the fourth isnt right