A line of dominos is knocked down. Which explanation is true? (1 point)
Responses
An increase in force caused an increase in acceleration.
An increase in force caused an increase in acceleration.
An increase in force caused a decrease in acceleration.
An increase in force caused a decrease in acceleration.
An increase in acceleration caused an increase in force.
An increase in acceleration caused an increase in force.
An increase in acceleration caused a decrease in force.
An increase in force caused an increase in acceleration.
When raindrops form, the force of gravity pulls them toward the ground. Which statement is correct about this chain of events?(1 point)
Responses
There is no correlation between gravity and raindrops falling.
There is no correlation between gravity and raindrops falling.
The force of gravity causes the raindrops to accelerate.
The force of gravity causes the raindrops to accelerate.
There is a negative correlation between gravity and raindrops falling.
There is a negative correlation between gravity and raindrops falling.
The raindrops' acceleration causes the force of gravity.
The force of gravity causes the raindrops to accelerate.
A student observes that for the same net force, heavier objects accelerate less. Which statement describes a correct conclusion?(1 point)
Responses
An increase in acceleration causes the mass to increase.
An increase in acceleration causes the mass to increase.
There is a negative correlation between mass and acceleration.
There is a negative correlation between mass and acceleration.
There is a positive correlation between mass and acceleration.
There is a positive correlation between mass and acceleration.
An decrease in acceleration causes the mass to increase.
There is a negative correlation between mass and acceleration.
A nonzero net force acts on a moving ball, and the ball comes to a stop. Which statement is correct about the relationship between the net force and the ball's movement?(1 point)
Responses
A decrease in acceleration causes the net force to be nonzero because causation works in both directions.
A decrease in acceleration causes the net force to be nonzero because causation works in both directions.
The net force causes an increase in acceleration because without the force the ball's velocity would remain the same.
The net force causes an increase in acceleration because without the force the ball's velocity would remain the same.
The net force causes a decrease in acceleration because without the force the ball's velocity would remain the same.
The net force causes a decrease in acceleration because without the force the ball's velocity would remain the same.
An increase in acceleration causes the net force to be nonzero because causation works in both directions.
The net force causes a decrease in acceleration because without the force the ball's velocity would remain the same.
A student places five books next to each other on their ends. She then pushes the first book with her finger, and a few seconds later, the last book falls. Which statement is correct about this chain of events?(1 point)
Responses
There is causation between the force of the finger and the number of books.
There is causation between the force of the finger and the number of books.
The acceleration of the books as they fall causes the force of the finger.
The acceleration of the books as they fall causes the force of the finger.
There is a positive correlation between the force of the finger and number of books.
There is a positive correlation between the force of the finger and number of books.
The force of the finger causes the books to accelerate and fall.
The force of the finger causes the books to accelerate and fall.
If multiple forces are acting on an object, which statement is always true?(1 point)
Responses
The acceleration will be directed in the direction of the gravitational force.
The acceleration will be directed in the direction of the gravitational force.
The acceleration will be directed in the direction of the applied force.
The acceleration will be directed in the direction of the applied force.
The acceleration will be directed in the direction of the normal force.
The acceleration will be directed in the direction of the normal force.
The acceleration will be directed in the direction of the net force.