Objects in motion DRAFT

What is kinetic energy?

• The energy an object possesses due to its motion

• The rate at which an object's velocity changes

• A measure of the amount of matter in an object

• The force required to change an object's motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which formula is used to calculate kinetic energy?

• Kinetic energy equals one-half of the mass times the velocity squared

• Force equals mass times acceleration

• Velocity equals distance divided by time

• Acceleration equals change in velocity divided by time

Tags

NGSS.MS-PS3-1

What does acceleration refer to?

• The rate at which an object's velocity changes over time

• The energy an object possesses due to its motion

• A measure of the amount of matter in an object

• The distance an object travels over time

Tags

NGSS.MS-PS2-2

According to Newton's second law of motion, what is the relationship between force, mass, and acceleration?

• Force equals mass times acceleration

• Force equals mass divided by acceleration

• Force equals acceleration divided by mass

• Force equals mass plus acceleration

Tags

NGSS.MS-PS2-2

Why do heavier objects require more force to accelerate compared to lighter objects?

• Because they have more mass

• Because they have more kinetic energy

• Because they have less acceleration

• Because they have more velocity

Tags

NGSS.MS-PS2-2