Force, Motion, Simple Machines

What is the definition of motion?

• A change in an objects position as it moves

• The distance an object travels in a set amount of time

• Where the object is located

If you drop something, it hits the ground because of what?

• Matter

• Gravity

• Motion

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What is the best example of force?

• Pushing a shopping cart

• Drinking a glass of water

• Calling a friend on the phone

Tags

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Friction is a force that does what?

• Helps an object move faster.

• Slows down or even stops the motion that is between two objects

• Makes more gravity

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You hear the tires on a vehicle make a screeching sound. This sound is a result of?

• Gravity

• Friction

• Pulling

How do simple machines rely on force?

• Simple machines decrease the amount of force required when moving an object

• Simple machines pull objects toward each other

• Simple machines only help people pull objects

A push is when you are using force to do what?

• Move an object closer to you

• Move an object away from you

• Move an object above you

A pull is when you are using force to do what?

• Move an object closer to you

• Move an object away from you

• Move an object above you

This simple machine is made up on a slanted surface on one end of the machine. An example of this would be a ramp.

• Pulley

• Screw

• Inclined plane

This simple machines helps cut or split objects apart. An example of this simple machine would be an axe.

• Screw

• Pulley

• Wedge

• Inclined plane