Unit 3 Force and Motion VOCABULARY REVIEW (20 words)

Front

What is the force that opposes motion between two surfaces that are in contact?

Back

Friction

Front

What is the term for an object's tendency to resist motion, also known as mass?

Back

Inertia

Front

How is momentum defined in physics?

Back

Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity.

Front

What is the rate of change of velocity per unit of time called?

Back

Acceleration

Front

What type of friction resists one solid rolling on another?

Back

Rolling friction

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma)

Front

What is the relationship between mass and inertia?

Back

Inertia is directly proportional to mass; greater mass means greater inertia.

Front

What is the difference between static friction and kinetic friction?

Back

Static friction acts on objects at rest, while kinetic friction acts on moving objects.

Front

What is the principle of conservation of momentum?

Back

In a closed system, the total momentum before an event is equal to the total momentum after the event.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)