Respuesta :
F = ma, where m is the mass of the body and a its acceleration.
So F = 39x7.8 = 280.8 N
So F = 39x7.8 = 280.8 N
To determine the force exerted by the boy in the box, we use Newton's second law of motion. It is expressed as Force = (m)(a) where m is the mass and a is the acceleration. We calculate as follows:
F = m a
F = 39 kg (7.8 m/s^2)
F = 304.2 N
F = m a
F = 39 kg (7.8 m/s^2)
F = 304.2 N