Physics Quiz

What is the SI unit of pressure?

• Pascal

• Newton

• Joule

• Watt

Which state of matter is practically unaffected by attractive forces between molecules?

• Solid

• Liquid

• Gas

• Plasma

What is a device that uses a confined liquid to multiply force?

• Lever

• Pulley

• Hydraulic press

• Spring

What is the name of the curved surface that forms where a liquid touches the sides of a container?

• Meniscus

• Surface tension

• Capillary action

• Viscosity

The attractive force that holds molecules of different substances together is called what?

• Adhesion

• Cohesion

• Friction

• Tension

The two factors that affect gravitational pressure are the density and _____ of the liquid?

• Volume

• Depth

• Temperature

• Viscosity

The principle stating that the pressure applied to an enclosed container is distributed equally throughout the container is known as what?

• Pascal's principle

• Archimedes' principle

• Bernoulli's principle

• Maxwell's principle

The phenomenon in which liquids in a thin tube rise above or fall beneath their own levels is called what?

• Viscosity

• Capillarity

• Surface tension

• Buoyancy

The idea that all molecules are in constant motion and move at a speed determined by temperature is the what theory of matter?

• Static

• Dynamic

• Kinetic

• Potential

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

A liquid weighing 145 N is placed in a container whose bottom has an area of 0.50 m². What is the pressure on the bottom of the container? (P = F/A)

• 150 Pa

• 72.5 Pa

• 0.003 Pa

• 290 Pa