Tag: concept of pressure

Quizzes (0) Questions (54)

Questions Related to concept of pressure

Multiple choice physics statics and dynamics of fluid (liquid and gas) pressure in liquids and gases pressure dependence on force and area concept of pressure

Fill in the blank.

The force acting on a unit area of a surface is called____.

  1. atmospheric pressure

  2. pressure

  3. muscular force

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pressure is force acting on a unit area of a surface when force applied on object in a particular area of object exert pressure on it.

Multiple choice physics floatation pressure in liquids and gases pressure dependence on force and area concept of pressure

Which Newton's laws describe thrust?

  1. First and second

  2. second and third

  3. only second

  4. first and third
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Thrust is a reaction force described quantitatively by Newton's second and third laws. When a system expels or accelerates mass in one direction, the accelerated mass will cause a force of equal magnitude but opposite direction on that system.