Pressure and Turning Force

Force acting on per unit area is called?

• force

• contact force

• non contact force

• pressure

What is the standard unit of measure for pressure?

• Joule

• Ampere

• Newton

• Pascal

1 kilogram weight is equal to

• 98 N

• 9.8 N

• 0.98 N

• 0.098 N

• 49000 Pa

• 50000 Pa

• 490 kPa

• 5000 kPa

Consider a sample of water in the tank above. Let us mark a point at each side: A, B, C, and D as shown. What statement is correct about those four point?

• hydrostatic pressure at point A is greater than hydrostatic pressure at point B

• hydrostatic pressure at point B is greater than hydrostatic pressure at point A

• hydrostatic pressure at point C is greater than hydrostatic pressure at point D

• hydrostatic pressure at point D is greater than hydrostatic pressure at point C

A cube of 200N has a base area of 25m² and is resting on a table. What is the Pressure exerted by the cube on the table.

• 0.8 Pa

• 8 Pa

• 0.8 N/cm²

• 8 N/cm²

Which of these animals would probably cause the greatest pressure on the ground?

• A fat cow with big feet

• A fat cow with small feet

• A cat with big feet

• A cat with small feet

How to calculate area (A) using pressure (p) and force (F)?

• A = F x p

• A = F + p

• A = F : p

• A = F - p

A 40 N block exerts 20 Pa of pressure on a table. What is the area of the block that is touching the table?

• 0.5 meters squared

• 1 meters squared

• 2 meters squared

• 4 meters squared

An iron cube which has a side length of 10 cm is placed on the desk surface area of 4 m². if the weight of the cube is 60 N, then the pressure produced by the iron cube is?

• 8000 N/m²

• 6000 N/m²

• 4000 N/m²

• 2000 N/m²