Question
The rocket sled shown in Figure 4.33 accelerates at a rate of $49.0 \textrm{ m/s}^2$. Its passenger has a mass of 75.0 kg. (a) Calculate the horizontal component of the force the seat exerts against his body. Compare this with his weight by using a ratio. (b) Calculate the direction and magnitude of the total force the seat exerts against his body.
Question Image

a) $3680 \textrm{ N}$. It is $5.00$ times the passenger's weight.

b) $3750 \textrm{ N, } 11.3^\circ \textrm{ above horizontal}$

Solution Video