3.8B and 3.9A Review

Front

A push or pull of an object is called _____________.

Back

force

Front

The rate of motion is known as _____________.

Back

Speed

Front

What evidence should a student look for to determine which ramp gives a toy car the most energy?

Back

She should see which ramp makes the car move the fastest. The faster the car, the more energy it has.

Front

_____________________ is a force that tries to pull two objects together.

Back

gravity

Front

Turning the handle of a pencil sharpener to sharpen a pencil is an example of using _____________.

Back

Mechanical Energy

Front

What is the force that opposes motion between two surfaces?

Back

friction

Front

What is the energy of motion called?

Back

Kinetic Energy

Front

What is the energy stored in an object due to its position?

Back

Potential Energy

Front

What do we call the force that pulls objects toward the Earth?

Back

gravity

Front

What is the term for the speed of an object in a specific direction?

Back

Velocity