Question
The rocket sled shown in Figure 4.33 decelerates at a rate of $201 \textrm{ m/s}^2$. 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. In this problem, the forces are exerted by the seat and restraining belts.
Question Image
1. $15075 \textrm{ N}$. This force is 20.5 times the passenger's weight.
2. $1.51 \times 10^{4}\textrm{ N, } 2.80^\circ \textrm{ above the negative x-axis}$
Solution Video