flashcards 7.1

Questão	Responda
what is force measured in?	newtons.
what is it called when something slowdowns or stops?	deceleration.
how can a spring measure a force.	because it returns to its normal shape after being stretched or squashed.
what is inertia?	when an object doesn't move until someone makes it move.
what happens when force are balanced?	you would stay still or move at a constant speed.
what happens when a force is unbalanced?	you can speed up.
what is acceleration?	speeding up.
what does gravity do?	it pulls you towards the center of the earth.
what is footwear designed to do?	reduce impact of collision between your foot and the ground.
how can a force interact with two substances?	either a push or a pull.
when surfing what happens when all forces are unbalanced.	you could sink.
how can you show forces in a diagram?	with arrows.
how can force change motion?	start moving. speed up. slow down. some to a stop. change direction.
what changes an objects direction?	a twist.
what is a balanced force?	all forces are even.
what happens if a rollercoaster is bought to a sudden stop?	you go backwards.
what force do you use when throwing a tennis ball?	push.
what force do you use to open a doorknob?	twist it.
when forces are balanced what do they add up to?	they add up to 0.
what force do you use to drag something?	pulling.

Resumo de Recurso

	Criado por Muhammad Imran quase 7 anos atrás