Forces and Motion Quiz

What is the result of equal or balanced forces acting on an object?

• The object moves

• The object does not move

• The object accelerates

• The object changes shape

What happens when unequal or unbalanced forces act on an object?

• The object remains stationary

• The object moves

• The object shrinks

• The object disappears

What is the primary characteristic of balanced forces?

• They cause motion

• They cancel each other out

• They increase speed

• They change direction

Which of the following is true about unbalanced forces?

• They do not affect motion

• They always act in pairs

• They cause a change in motion

• They are equal in size

Which of the following is a force of attraction to a magnet?

• Gravity

• Friction

• Magnetism

• Force

What is the force of attraction between two bodies called?

• Friction

• Magnetism

• Gravity

• Force

In an experiment, what is the variable that is changed by the scientist?

• Dependent variable

• Constant

• Independent variable

• Control

What is the variable that results from the change and can be measured or observed?

• Independent variable

• Constant

• Dependent variable

• Control

What are constants in an experiment?

• Variables that change

• Things kept the same to ensure reliable results

• Variables that are measured

• Variables that are observed

In the example investigation, what was the independent variable?

• Force

• Surface

• Mass of block

• Spring scale