youre in a friends pick up truck when it stalls on a hill. you jump out, get nehind the truck and push with all your might 300 newtons. still the truck slowly rolls back down the hill. whats the pressure the truck exerts on you.
The "force" the truck exerts on you is 300 N. That is Newton's third law.
The pressure depends on how squishy your hand is.
To find the pressure the truck exerts on you, we need to calculate the force per unit area. The formula for pressure is:
Pressure = Force / Area
In this case, the force applied is the force you are pushing on the truck, which is 300 newtons. However, to determine the area, we need to consider the part of your body that comes in contact with the truck. Let's assume that it is your hands, and we approximate the area to be 100 square centimeters (cm²) or 0.01 square meters (m²).
Now, we can calculate the pressure:
Pressure = 300 newtons / 0.01 square meters
Pressure = 30,000 pascals (Pa)
So, the pressure the truck exerts on you is 30,000 pascals.