Forces - Year 7

A Force is...

• A push

• a push, pull or twist

• Gravity

• A twist

What are the two natures of a force?

• Contact and non-contact

• Acting on a person or animal

• Nature....

• Changes shape or direction of an object

Tags

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Different forms of force include:

• Ground and sky

• Wind and air

• The elements

• Gravity,friction, magnetic etc.

Tags

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What are the three things you can identify when a force acts?

• Changes in speed, direction, or shape

• Changes in speed, colour and sound

• Changes in speed and direction

• Changes in shape and size

Tags

NGSS.MS-PS2-1

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What units are used to measure forces?

• Grams

• Newtons and grams

• Newtons

• Kiloliters

The two forces shown in the diagram are acting on the boat. Look at the force arrows and determine which direction (Left or right) the boat will move.

• Left

• Forward

• Right

• Backward

Tags

NGSS.MS-PS2-1

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What is "balanced force"?

• Where an object has all forces acting on it are balanced, therefore, the object remains stationary.

• Where a car moves.

• Where all forces acting on it are unbalanced

What is Unbalanced Forces?

• Where the forces acting on an object are unequal, so the object moves in the direction of the strongest force.

• where the forces are all even

• where the forces acting on an object are unequal, so the object remains stationary.

• Where an object stops motion entirely

Tags

NGSS.MS-PS2-2

Which of these statements are TRUE

• A

• B

• C

• D

Tags

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Look at the picture. If every person has the exact same strength, which team will win in "a."

• Red will win

• Green will win

• Tie

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2