Physical Science Chapter 12

Front

In any collision (crash) the ______ is ALWAYS constant

Back

Total Momentum

Front

A force that results from two objects rubbing past each other is called?

Back

Friction

Front

What is fluid friction?

Back

Friction of something going through any type of liquid or air.

Front

What is the unit for momentum?

Back

kg m/sec

Front

What is Force?

Back

Either a push or pull.

Front

What is the law of conservation of momentum?

Back

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

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is kinetic energy?

Back

The energy an object possesses due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or configuration.