Pressure

• What does the term "force per unit area" refer to?

  Pressure
• How does a large contact area between tractor tires and the ground affect pressure?

  It reduces pressure
• Why are tractors less likely to sink into mud?

  Because they have a large contact area
• What is the effect of studs on a rugby boot on the pitch?

  They increase pressure
• What is the effect of a small contact area between a knife and fruit?

  It increases pressure
• How does a knife blade cut into fruit?

  By increasing pressure due to a small contact area
• How do studs help players on soft snow?

  They provide grip by increasing pressure
• What is the relationship between contact area and pressure in the context of sinking into soft surfaces?

  A smaller contact area increases pressure, leading to sinking
• What is the relationship between contact area and pressure when using a sharp knife?

  A small contact area increases pressure
• Why do studs on rugby boots help in soft snow?

  They increase pressure to provide grip