Newtons 1st law

Multiple Choice

What is Newton's First Law of Motion?

• Acceleration of an object is proportional to its net force

• For every action there is an equal and opposite reaction

• An object at rest will stay at rest unless acted upon by a net external force

Open Ended

A force is a push or a ___.

Multiple Choice

Which of the following statements about balanced forces is correct?

• Balanced forces do not cause a change in motion.

• Balanced forces always move objects to the right.

• Balanced forces increase the speed of objects.

• Balanced forces are always unequal in size.

Open Ended

Compare and contrast balanced and unbalanced forces in terms of their effects on the motion of objects.

Multiple Select

Select all the correct statements about unbalanced forces.

• Unbalanced forces cause movement.

• Unbalanced forces move in the direction of the greater force.

• Unbalanced forces have a net force greater than zero.

• Unbalanced forces are always equal and opposite.

Open Ended

Explain how the concept of net force determines whether an object will move or stay at rest.

Multiple Choice

Which of the following best describes the difference between balanced and unbalanced forces as shown in the diagrams?

• Balanced forces result in no motion, while unbalanced forces cause motion.

• Balanced forces cause motion, while unbalanced forces result in no motion.

• Balanced forces and unbalanced forces both result in motion.

• Unbalanced forces always act in opposite directions.

Multiple Choice

How does air resistance affect the motion of objects moving through the air?

• It speeds up the object

• It opposes the motion of the object

• It has no effect on the object

• It changes the color of the object

Multiple Choice

Which of the following factors does air resistance depend on?

• Size, shape, and speed

• Mass and volume

• Temperature and color

• Weight and density

Open Ended

Explain why a feather and a stone fall at the same rate in a vacuum but not in air.

Open Ended

Air resistance is also known as