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Force - PowerPoint PPT Presentation


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Force. Types of forces. In Science, force, usually means either a push or pull . Think of a game of ten Pin bowling The moving object- the ball exerts a pushing force against anything it hits-the ten pins!. What is force?. Where are the forces?. Can you see forces?

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Presentation Transcript
what is force
In Science, force, usually means either a push or pull.

Think of a game of ten Pin bowling

The moving object- the ball exerts a pushing force against anything it hits-the ten pins!

What is force?
where are the forces
Where are the forces?
  • Can you see forces?
  • Can you see objects affected by forces?
  • Forces can make things go faster or slower.
how do we measure force
How do we measure force?
  • We measure force in newtons
  • We use an instrument called a spring balance known as force meter or newton meter.
gravitational force
Gravitational force
  • What happens when a ball is thrown upwards?
  • What happens when you jump up?
  • What happens to ripe fruits that grow on trees?
air resistance
Air resistance
  • Air resistance pushes against a moving car and slows it down.
  • With a parachute, it is an advantage.
balanced forces
Balanced forces
  • Table is pushed upwards by the floor while table is pushed down by gravity.
so now you know what force is
So now you know what force is
  • Can you name the forces acting in the pictures below?