Year 7 Forces Flashcards by Luke Langton

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Q

What is a force

A

A force is a push pull or twist on a object

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Q

What is the measurement of forces

A

Newtons

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Q

What is a contact force

A

A force that works when something touches it

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Q

What is a non contact force

A

A force that works on its own

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Q

State the equation to calculate the weight of an object?

A

Weight=mass times gravity

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Q

What does gravitational force depend on?

A

The weight of the object

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Q

State the equation to calculate speed

A

Speed=distance/time

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Q

What is meant by a resultant force?

A

The overall force acting on the object

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Q

What is a newton metre ?

A

Another name for a force metre

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Q

What is magnetism

A

A force that attracts objects made of iron

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