Forces and Motion--7th Grade

Front

What is the unit of measurement for force?

Back

Newtons

Front

How do you calculate speed?

Back

Speed = distance/time

Front

What is a force?

Back

A push or pull.

Front

What is the force that pulls objects toward the Earth?

Back

Gravity

Front

What is acceleration?

Back

The rate of change of velocity.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion; unbalanced forces do.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is momentum?

Back

The product of an object's mass and its velocity.

Front

What is the formula for calculating distance?

Back

Distance = speed x time

Front

What is kinetic energy?

Back

The energy of an object in motion.