Quiz — PHYSIQUE S1 (1).pdf

Question 1 sur 10 20:00

[{"id":6281,"question":"Quelle est l'unité SI de la force ?","option_a":"Newton (N)","option_b":"Joule (J)","option_c":"Watt (W)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité SI de la force est le Newton (N), en hommage à Isaac Newton.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Newton (N)\", \"b\": \"Joule (J)\", \"c\": \"Watt (W)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":6282,"question":"Un objet en mouvement rectiligne uniforme a une accélération nulle.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un objet en mouvement rectiligne uniforme a une vitesse constante et donc une accélération nulle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":6283,"question":"Quelle formule relie la tension (U), l'intensité (I) et la résistance (R) dans un circuit électrique ?","option_a":"U = R × I","option_b":"U = R \/ I","option_c":"U = I \/ R","option_d":"U = R + I","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm s'exprime par U = R × I, où U est la tension, R la résistance et I l'intensité du courant.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"U = R × I\", \"b\": \"U = R \/ I\", \"c\": \"U = I \/ R\", \"d\": \"U = R + I\"","_debug_options_count":4},{"id":6284,"question":"L'énergie cinétique d'un objet dépend de sa masse et de sa vitesse.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'énergie cinétique est donnée par Ec = ½ × m × v², elle dépend donc de la masse (m) et de la vitesse (v).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":6285,"question":"Quel est le symbole de l'élément chimique 'Oxygène' ?","option_a":"O","option_b":"Ox","option_c":"O2","option_d":"Oxy","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le symbole chimique de l'oxygène est 'O', tandis que O2 représente sa forme moléculaire diatomique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"O\", \"b\": \"Ox\", \"c\": \"O2\", \"d\": \"Oxy\"}}","_debug_options_count":4},{"id":6286,"question":"La pression est définie comme la force divisée par la surface.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La pression (P) est bien définie par P = F \/ S, où F est la force et S la surface sur laquelle elle s'applique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":6287,"question":"Quelle est la relation entre la puissance (P), l'énergie (E) et le temps (t) ?","option_a":"P = E × t","option_b":"P = E \/ t","option_c":"P = t \/ E","option_d":"P = E + t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La puissance est le rapport de l'énergie sur le temps : P = E \/ t. Elle s'exprime en watts (W).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"P = E × t\", \"b\": \"P = E \/ t\", \"c\": \"P = t \/ E\", \"d\": \"P = E + t\"","_debug_options_count":4},{"id":6288,"question":"Un corps plongé dans un fluide subit une poussée verticale vers le haut appelée poussée d'Archimède.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La poussée d'Archimède est bien une force verticale dirigée vers le haut, égale au poids du fluide déplacé.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":6289,"question":"Quelle est l'unité SI de l'énergie ?","option_a":"Joule (J)","option_b":"Newton (N)","option_c":"Watt (W)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité SI de l'énergie est le Joule (J), nommée en l'honneur de James Prescott Joule.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Joule (J)\", \"b\": \"Newton (N)\", \"c\": \"Watt (W)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":6290,"question":"La vitesse moyenne est calculée en divisant la distance parcourue par le temps écoulé.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La vitesse moyenne (v) est bien donnée par v = d \/ t, où d est la distance et t le temps écoulé.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]