contact and non-contact forces

Questão	Responda
when does a force occur	when two or more objects interact
what are contact forces	the objects are actually touching-e.g the tension as two people pull against one another
what are non-contact forces	the objects are not touching-e.g the force of gravity acts even when the objects are not touching
give some examples of contact forces	-friction -air resistance/drag -tension -normal contact force -upthrust
give some examples of non-contact forces	-gravitational force -electrostatic force -magnetic force

Resumo de Recurso

	Criado por ella stokes mais de 9 anos atrás