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A snapshot of the summary - Nova 3hv Physics
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1 Forces
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1.1.1 Terms
This is a preview. There are 10 more flashcards available for chapter 1.1.1
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What 2 things can
forces change on anobject? Motion or shape -
What is
muscular strength? Forces that arecreated when themuscles in your bodycontract -
What are
magnetic forces? Theforce you can feel when you hold twobar magnets close toeachother -
What is the
function ofa dynamometer? You canmeasure forces with it. -
What does a dynamo meter contain?A helical spring
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Which spring do you use for large forces?A stiff spring
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Which
spring do you use forsmall forces? A flexible spring -
Which
unit do we use witha dynamo meter? Newtons (N) -
What is a
force scale? A force scale represents how manynewtons percentimeter it is. -
How can you determine the centre of gravityHang the object up and draw the line
then hang the object up again by a different point, draw another line
the lines should cross at the centre of gravity
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