Science Calculations

During a science project, Emily measures the force exerted by a book resting on a table to be 200N and the area of the book's contact with the table to be 20m². What is the pressure exerted by the book? (a)  

• 100N/㎡

• 5N/㎡

• 10N/㎡

If the area is 2.5㎡ and the pressure is 100N/㎡, what is the force in N?

Mathematical Equivalence

ON

Thomas is trying to push a large box with a force of 500N. If the pressure exerted by the box on the ground is 25N/㎠, what is the area of contact between the box and the ground?

• 20㎠

• 10㎠

• 2.5㎡

• 500㎠

Emma is pressing down on a surface with an area of 10㎡ and applies a pressure of 75N/㎡. What is the force Emma is applying?

• 500N

• 35N

• 1250N

• 750N

Imagine Arjun is pressing down on a large button with a force of 1250N, and the button's surface area is 250㎡. What is the pressure applied by Arjun?

• 25N/㎠

• 5N/㎠

• 5N/㎡

• 3N/㎠

Priya is pressing a small stamp of area 0.1㎡ onto a clay model with a pressure of 350N/㎡. Calculate the force applied by Priya.

• 10,500

• 0.5

• 630

• 35

In a physics class experiment, Mira applies a force of 35N to a surface and measures the pressure as 17.5N/㎡. What is the area of the surface? (a)  

• 17.5㎠

• 2㎠

• 2㎡

Mia is conducting a physics experiment where she applies a pressure of 2N/㎠ on a small surface area of 0.25㎠. What is the force exerted by Mia?

• 10,500 N

• 0.5 N

• 630 N

• 35 N

Thomas is trying to calculate the pressure exerted by a bookshelf that applies a force of 10,500N on a wall area of 500㎡. What is the pressure?

• 21N/㎡

• 21N

• 21㎠

• 21N/㎠

Priya is pressing a book against the wall. If the area of contact between the book and the wall is 500㎠ and the pressure applied is 21N/㎠, what is the force exerted by Priya?

• 35

• 630

• 0.5

• 10,500