Question

Which would require a greater force accelerating a 5 kg of mass at 8 m/s or 7 kg of mass at 3 m/s?

Answer 1

Explanation:

case1:m= 5kg, a=8m/s F=?

w.k.t, F=ma

= 5×8

= 40 Newton

Case2: m= 7kg , a= 3 m/s, F=?

w.k.t, F= ma

= 7 ×3

= 21 Newton

40 Newton is the greater force

Answer 2

Answer:

5kg of mass at 8m/sec is the answer

Explanation:

Acceleration is proportional to mass or velocity

so we can conclude that

object a which has a mass of 5kg with 8m/sec

needs more acceleration

hope it helped

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