The bottom of a box has a surface area of 58.8 cm2. The mass of the box is 12.0 kg. Acceleration due to gravity at sea level is 9.80 m/s2. What is the pressure exerted by the box where it rests?

2.00 Pa
72.0 Pa
2.00 x 104 Pa
0.500 Pa

Question

The bottom of a box has a surface area of 58.8 cm2. The mass of the box is 12.0 kg. Acceleration due to gravity at sea level is 9.80 m/s2. What is the pressure exerted by the box where it rests?

2.00 Pa
72.0 Pa
2.00 x 104 Pa
0.500 Pa

anonymous · Answer

@Butterfield1215

anonymous · Answer

Pressure is force/area, so here you need to get your force due to gravity, which is 12.0 kg * 9.8 m/s^2, and divide it by your area.  Be careful with this problem, because in order to get the correct units you need to convert your area to m^2