G8- T3L4: Friction and Gravity

What is the force that two surfaces exert on each other when they rub against each other?

• Electrical force

• Frictional force

• Magnetic force

• Gravitational force

Which type of friction occurs when an object rolls across a surface?

• Sliding friction

• Fluid friction

• Rolling friction

• Static friction

Who concluded that a force called gravity acts to pull objects straight down toward the center of Earth?

• Nikola Tesla

• Galileo Galilei

• Isaac Newton

• Albert Einstein

What is the measure of the amount of matter in an object?

• Mass

• Density

• Weight

• Volume

What is the SI unit of weight?

• Kilogram

• Newton

• Gram

• Pound

Which type of potential energy is associated with gravity?

• Kinetic potential energy

• Elastic potential energy

• Chemical potential energy

• Gravitational potential energy

Tags

NGSS.MS-PS3-2

What happens to the potential energy of an object as it climbs higher?

• Increases

• Disappears

• Decreases

• Remains constant

Tags

NGSS.MS-PS3-2

What is the energy of motion called?

• Kinetic energy

• Potential energy

• Mechanical energy

• Thermal energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the type of energy associated with the position or configuration of an object?

• Kinetic energy

• Potential energy

• Mechanical energy

• Thermal energy

Tags

NGSS.MS-PS3-2