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force and work

QuestionAnswer
name 5 types of forces (there are many) pulling, pushing, weight, friction, tensing, stretching, compression, electric and magnetic forces.
what is a force something that causes an object to accelerate or change velocity
what is force measured in? Newtons (N)
what are the main effects of forces speed, direction, shape or size of objects.
how can forces be measured with a spring balance or newton-meter
what effect does gravity have downward pull on objects.
can weight vary on different parts of the earth yes
what is 1 N equal to in kg's 10Kg
what is friction a force which always tries to resist movement between any two surfaces in contact.
what is the name of something if it returns back to its original shape when streched elastic
what is Hooke's law the extension of a spring directly proportional to the force streching it
what kind of a graph is directly proportional straight line graph
what is work when a force moves an object
how do you find the mount of work done force x distance moved
what is energy the ability to do work
how is work & energy measured Joules (J)
what is power measured in? watts (W)
Created by: rbowen2018
 

 



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