Earth's Forces Test Study Guide

Which scientist developed three laws to explain the relationship between forces and motion? Please choose the BEST answer.

• Sir Isaac Newton

• Albert Einstein

• William Bell

• Jane Goodall

Which one of these is not one of Newton's Laws? Please choose the BEST answer.

• object in motion (or at rest) will stay in motion (or at rest) unless it is acted upon by an unbalanced force

• F=ma

• Energy is neither created or destroyed

• For every action there is an equal and opposite reaction

_______ is a kind of push or pull on an object.

• Temperature

• Mass

• Force

• F=ma

_____ is the process of moving or changing place.

• Gravity

• Force

• Acceleration

• Motion

Force has two qualities: direction and strength.

• True

• False

A ________ force is a force that is equal and acts in opposite directions. It results in no movement.

• Balanced
• Unbalanced

• Push

• Pull

________ force is a force that is not equal when it acts in opposite directions on an object. It results

• Balanced

• Unbalanced

• Push

• Pull

________ is speeding up, slowing down, or changing direction.

• Gravity

• Movement

• Acceleration

• Force

_______ is the amount of matter in an object. It is measured in grams.

• Mass
• Acceleration

• Force

• Weight

The more mass an object has, the more force you need to accelerate it.

• True

• False