Question

a helicopter weighs 3920 Newtons calculate the force on it if it is a standing up at a rate of 2 metre per second square what will be force on helicopter if it is moving up with a constant speed of 4 metre per second​

Answer 1

Answer:

data:

weight:3920N

acceleration=2

v=4

mass?

force?

sol:

F=ma

W=mg

m=w/g

m=3920/9.8 =400

F=ma

F= 400×2

F= 800N

ans is right or not?