Podcast
Questions and Answers
What is pressure defined as?
What is pressure defined as?
Pressure is defined as the pushing effect of a force.
How can you increase the pushing effect of a force when cutting clay?
How can you increase the pushing effect of a force when cutting clay?
You can increase the pushing effect of a force by increasing the force on the knife or using a sharper knife.
What is the equation linking pressure, force, and area?
What is the equation linking pressure, force, and area?
The equation is: pressure = force / area.
What are the units of force, area, and pressure?
What are the units of force, area, and pressure?
How does using a sharper knife affect pressure when cutting clay?
How does using a sharper knife affect pressure when cutting clay?
Why does the camel not sink in the sand despite its weight?
Why does the camel not sink in the sand despite its weight?
How does the woman on the bed of nails experience very small pressure from each nail?
How does the woman on the bed of nails experience very small pressure from each nail?
What happens to pressure when the area over which a force is applied decreases?
What happens to pressure when the area over which a force is applied decreases?
How does the unit of pressure change when the area is measured in millimeters squared?
How does the unit of pressure change when the area is measured in millimeters squared?
Why does the wall of the dam become wider at the bottom compared to the top?
Why does the wall of the dam become wider at the bottom compared to the top?
What effect does gravity have on the pressure in a liquid as you go deeper?
What effect does gravity have on the pressure in a liquid as you go deeper?
In which direction is the pressure exerted by particles in a liquid?
In which direction is the pressure exerted by particles in a liquid?
What happens to the pressure in a liquid as you move deeper into it?
What happens to the pressure in a liquid as you move deeper into it?
Why does water coming out from lower levels of a dam have more force than that coming out from higher levels?
Why does water coming out from lower levels of a dam have more force than that coming out from higher levels?
How does the width of the dam wall help in dealing with pressure from water?
How does the width of the dam wall help in dealing with pressure from water?
