A chair is placed on protective cups to prevent damage to the carpet underneath it.
How do the cups change the area of contact with the carpet and the pressure on it?
1 )
area of contact:decreased / pressure:decreased
2 )
area of contact:decreased / pressure:increased
area of contact:increased / pressure:decreased
4 )
area of contact:increased / pressure:increased
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...