Gravedad e Inercia

Quiz
•
Science
•
8th Grade
•
Hard
+8
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During a demonstration of Newton’s laws of motion, a student used the setup shown in Figure 1. The student flicked the index card with a fingertip, and the coin fell straight down into a plastic cup as shown in Figure 2. Which of these best explains why the coin fell straight down into the cup instead of remaining on the index card?
The coin was at rest until the card was removed, so it tended to remain in the same location. Once the card was gone, the unbalanced force of gravity caused the coin to fall.
Moving the card applied an action force on the coin. Since the card was gone, gravity applied a reaction force on the coin.
The card had less mass than the coin, so a smaller force of gravity acted on the card. The larger force of gravity on the coin made it fall.
The acceleration of the coin falling into the cup was equal and opposite to the acceleration of the card.
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué es la gravedad?
Una fuerza que atrae los objetos hacia el centro de la Tierra
Una fuerza que repele los objetos de la Tierra
Una fuerza que solo actúa en el espacio
Una fuerza que solo actúa en líquidos
Tags
NGSS.5-PS2-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué es la inercia?
La tendencia de un objeto a cambiar su estado de movimiento
La tendencia de un objeto a mantener su estado de movimiento
La tendencia de un objeto a flotar en el agua
La tendencia de un objeto a girar sobre su eje
Tags
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de las siguientes fórmulas representa la Ley de la Gravitación Universal de Newton?
Tags
NGSS.HS-PS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué sucede con la fuerza gravitacional entre dos objetos si la distancia entre ellos se duplica?
Se duplica
Se reduce a la mitad
Se cuadruplica
Se reduce a una cuarta parte
Tags
NGSS.MS-ESS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué unidad se utiliza para medir la fuerza en el Sistema Internacional de Unidades (SI)?
Newton
Joule
Watt
Pascal
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cómo afecta la masa de un objeto a su inercia?
A mayor masa, mayor inercia
A mayor masa, menor inercia
La masa no afecta la inercia
La inercia es inversamente proporcional a la masa
Tags
NGSS.MS-PS2-2
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