Final Exam Review

Front

What happens to the momentum of an object when its speed is doubled?

Back

The momentum doubles.

Front

What is the term that describes an object's tendency to stay in motion?

Back

Inertia

Front

Identify this simple machine: A circular object that rotates around a central axis and is used to lift or move loads.

Back

Wheel & Axle

Front

Calculate the momentum of a 1000-kg car moving southward at 20 m/s.

Back

20000 Kg * m/s south

Tags

NGSS.HS-PS2-2

Front

What kind of energy change occurs when a candle is burning?

Back

Chemical to light.

Front

Define momentum in physics.

Back

Momentum is the product of an object's mass and its velocity.

Tags

NGSS.HS-PS2-2

Front

What is inertia?

Back

Inertia is the property of an object to resist changes in its state of motion.

Tags

NGSS.MS-PS2-2

Front

What is the formula for calculating momentum?

Back

Momentum (p) = mass (m) × velocity (v)

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.