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Air resistance depends on the shape of an object

Air resistance depends on the shape of an object

A copy of Galileo's pendulum clock

A copy of Galileo's pendulum clock

The relationship between the angle of rotation and time can be examined with a turntable

The relationship between the angle of rotation and time can be examined with a turntable

Both of them move

Both of them move

Two-pan balance

Two-pan balance

If the length of the lever arm is four times the load it has to bear, then the force to equalise the lever arm is one quarter of that load.

Collision of flexible balls

Collision of flexible balls

Pushing away two objects with a spring

Pushing away two objects with a spring

The weight of certain objects can be measured with a spring scale or a balance

The weight of certain objects can be measured with a spring scale or a balance

Pushing away two cars of equal mass with a spring

Pushing away two cars of equal mass with a spring

Carts of different masses bouncing away with a spring

Carts of different masses bouncing away with a spring

Copper, aluminium and wood all have a different density

Copper, aluminium and wood all have a different density

The mass and volume of homogeneous objects of the same material are directly proportional

The mass and volume of homogeneous objects of the same material are directly proportional

When two objects interact with each other the velocity is inversely proportional to the mass

When two objects interact with each other the velocity is inversely proportional to the mass

Two cars of equal mass engage in an elastic collision and exchange velocities

Two cars of equal mass engage in an elastic collision and exchange velocities

Measuring the rate of change in momentum of a truck starting from standing position

Measuring the rate of change in momentum of a truck starting from standing position

The change in momentum does not depend on the object's mass

The change in momentum does not depend on the object's mass

Examining static friction

Examining static friction

Nicolaus Copernicus, Polish astronomer

Nicolaus Copernicus, Polish astronomer

Illustration of the Copernican system

Illustration of the Copernican system

The Hubble Space Telescope with the Earth in the background

The Hubble Space Telescope with the Earth in the background

An immersion heater boils water faster than an alcohol burner

An immersion heater boils water faster than an alcohol burner

Car engine

Wood rots slowly but burns faster

Wood rots slowly but burns faster

How is thermal expansion taken into account in the design of bridges and pipelines?

How is thermal expansion taken into account in the design of bridges and pipelines?