Forces, Motion, and Energy Quiz

Who formulated the three laws of motion?

• Albert Einstein

• Sir Isaac Newton

• Thomas Young

• William Gilbert

What is the force that pulls objects toward the Earth?

• Gravity

• Magnetism

• Friction

• Inertia

Where can you find friction in everyday life?

• Between magnets and metals

• Between tires and the road

• In a vacuum

• In outer space

When do objects in motion stay in motion?

• Until they stop themselves

• Until an external force acts on them

• Until they are tired

• Until they lose energy

How many types of forces are there?

• One

• Two

• Several

• Hundreds

Who discovered the concept of inertia?

• Albert Einstein

• Sir Isaac Newton

• Thomas Young

• William Gilbert

What is the force that opposes motion?

• Gravity

• Magnetism

• Friction

• Inertia

Where is the center of mass in an object?

• The bottom part

• The left side

• The top part

• The point where mass is evenly distributed

When do you experience acceleration?

• When the mass of an object changes

• When the temperature of an object changes

• When the speed of an object changes

• When the color of an object changes

How many laws of motion did Newton propose?

• One

• Two

• Three

• Four