Balanced and Unbalanced Forces Flashcard

Front

What can cause an object to change direction? Options: balanced forces, an unbalanced force, no force, a force in the direction the object is moving.

Back

an unbalanced force

Front

A box is sitting on the floor. Then, two workers start pushing on the box with the same amount of force. This is shown in the picture below. The arrows, in the picture, show the direction of each force. What happens to the box while they are pushing on it?

Back

The box does not move.

Front

Which of these would make the box move to the left? Options: Kyle and Jon both stop pushing the box, Kyle pushes the box with more force than Jon, Jon pushes the box with more force than Kyle, Jon and Kyle push the box with the same amount of force.

Back

Jon pushes the box with more force than Kyle.

Front

What type of forces are acting on the paper clip when a magnet is placed near it and it begins to move?

Back

unbalanced

Front

Which of the following statements is true?

• Moving objects will eventually stop moving on their own.
• Moving objects stay in motion until acted on by another force.
• Objects at rest eventually begin to move.
• An object moving in a straight line will eventually change direction on its own.

Back

Moving objects stay in motion until acted on by another force.

Front

The forces acting on a toy train are shown below. The forces on the toy train are unbalanced. What is the direction of the net force on the toy train?

Options:

down

,

up

,

right

,

left

Back

left

Front

How does the hockey puck's motion change as Alyssa begins to pass it?

Back

It moves to the right because an unbalanced force is acting on it.

Front

If the book is not moving, which statement must be true?

Back

The force of the table on the book is equal to the force of gravity, but they act in opposite directions.

Front

Which of the following statements is true?

• Unbalanced forces do not cause a change in motion.
• Balanced forces do not cause a change in motion.
• Balanced forces always cause a change in motion.
• Gravity always causes a change in motion.

Back

Balanced forces do not cause a change in motion.