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

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