Forces Change Motion

Vocabulary Word Definition

100

What is Force? 

Push or a Pull

200

True of False: Unbalanced force cause an object to move. 

True

300

What is Motion? 

Motion is a change in position. 

400

____ is a force that occurs when one objects rubs against another. It can slow and object down or sometimes it can even make an object go faster and farther. 

Friction

500

Force has to be ___________so that an object can move.

Unbalanced.

Understanding Forces

100

In a tug-of-war if the rope does not move is that a Balanced or Unbalanced Force? 

Balanced Force

200

Team A and Team B played tug-of-war. Which most likely happened if team A won.

Team A applied a strong force. Team A pulled harder. 

300

In order to make a car move what type of force has to act on the car? Balanced or Unbalanced

Unbalanced.

400

If you want an object to move faster what do you need to do? 

Push harder. Use a stronger force.

500

Which is an example of BALANCED FORCE 

a. Tug-of-War: The rope doesn't move. 

b. Tug of War: Team A wins 

c. A kid going down a slide

d. A car going down a ramp. 

Tug-of-War: The rope doesn't move. 

Friction

100

What causes an object to slow down? 

Friction 

200

Which of the following have more friction to slow down an object pick 2? 

SandPaper

Water

Oil

Rocks

Sandpaper  and Rocks. 

300

What happens to an object if it is moving with a lot of friction? 

The object will go slower. It will go a shorter distance. 

400

What happens to an object if it moves on a surface with little friction? 

It will go faster and farther. 

500

Grass on a golf ball is an example of ________ because it will _____ the ball down. 

friction, slow