Force and Motion

What is the main source of thrill in a roller coaster ride according to the passage?

• The speed of the ride

• The height of the ride

• The different forces acting on the body

• The length of the ride

Who was the scientist that discovered objects fall at the same rate regardless of their weight?

• Isaac Newton

• Albert Einstein

• Galileo Galilei

• Nicolaus Copernicus

What is the formula for force as mentioned in the passage?

• FORCE = Mass x Velocity

• FORCE = Mass x Acceleration

• FORCE = Mass x Speed

• FORCE = Mass x Distance

What did early natural philosophers notice about the Sun and Moon?

• They noticed patterns of motion

• They noticed changes in color

• They noticed changes in size

• They noticed changes in temperature

What was the common belief about falling objects before Galileo's discovery?

• Heavy objects fall faster than light ones

• Light objects fall faster than heavy ones

• All objects fall at the same rate

• Objects do not fall

What unit is force measured in according to the passage?

• Kilograms (kg)

• Meters per second (m/s)

• Newtons (N)

• Joules (J)

What happens to riders during the turns of a roller coaster?

• They are lifted upwards

• They are slung from side to side

• They are pushed forward

• They are stopped suddenly

What experiment did Galileo perform to demonstrate the effect of air resistance?

• Dropping two objects off a tower

• Rolling objects down a slope

• Swinging a pendulum

• Throwing objects horizontally

Why do a book and a sheet of paper not hit the ground at the same time when dropped?

• The book is heavier than the paper

• The paper has more air resistance

• The book is more aerodynamic

• The paper is lighter than the book

What happens when you drop a book with a sheet of paper on top of it?

• They fall at the same rate

• The book falls faster

• The paper falls faster

• They both float