
Vettori e forze

Quiz
•
Physics
•
9th Grade
•
Medium
Used 20+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Delle seguenti grandezze quale ha caratteristiche vettoriali
velocità
area
densità
volume
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una forza di intensità 70 N agisce orizzontalmente verso destra, un’altra di intensità 35 N agisce orizzontalmente verso sinistra. Quanto vale la risultante?
105 N verso destra
105 N verso sinistra
35 N verso destra
35 N verso sinistra
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una nave percorre 80 km verso nord, poi vira improvvisamente percorrendo altri 60 km verso est. Quanto vale lo spostamento risultante?
140 km
100 km
20 km
70 km
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una forza di 50 N forma un angolo di 60° con l’asse delle x (cos 60° = 0,5). Quanto vale la componente lungo x?
43,3 N
33,3 N
25 N
45 N
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La massa di un sasso è 150 g. Qual è il suo peso?
147 N
150 N
1,47 N
14,7 N
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un camion che pesa 196000 N ha una massa di:
1960 kg
2000 kg
20000 kg
100000 kg
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una molla, a cui è applicata una forza di 20 N, si allunga di 5cm. Qual è la sua costante elastica?
4 N/m
40 N/m
400 N/m
0,4 N/m
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