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Newton's Laws And Simple Machines

Test Description: A review of simple machines and Newton's Laws of Motion.

Instructions: Answer all questions to get your test result.

1) "An object art rest will say at rest and an object in motion will stay in motion until acted upon by an outside force." This is which Law of Motion?

A3rd B2nd C1st DNone

2) Which is NOT a simple machine?

Awedge Binclined plane Chammer Dpulley

3) "For every action there is an equal, and opposite reaction." Which Law of Motion is this?

ANone B2nd C3rd D1st

4) What is the force that slows down motion?

ANewton BInertia CGravity DFriction

5) "Force = mass x acceleration. Objects with more mass need more force to move a greater distance; objects with less mass require less force." Which Law of Motion is this?

ANone B2nd C1st D3rd

6) A pulley changes...

Athe amount of force used. Bthe direction of the force on an object. Cdistance you move. Dthe work done.

7) If Mrs. Allen's class and Mr. Snedeker's class are playing tug of war, and Mrs. Allen's class pulls with a force of 200 Newtons, what does Mr. Snedeker's class have to do to win?

APull with a force of 250 Newtons BPull with the same force CPull with a force of less than 200 Newtons DPush with force.

8) Which is the correctly written hypothesis for an experiment that has us testing floor types (carpet, tile, wood) and the distance a car will travel?

AIf I use a tile floor, then the car will use less force (DV) then on the wood or tile. BIf I push a car on the carpet (IV), then it will go further (DV) than on the wood or tile. CIf I test floor types when I push a car (IV), then the car will use more force (DV) on the carpet. DIf I push a car on the carpet, then it will go further than on the wood or tile.

9) Which Law of Motion describes why you should wear a seatbelt in the car?

A3rd BFriction C2nd D1st

10) Which Law of Motion describes why a golf ball flies further than a soccer ball when hit with the same force?

A2nd Bfriction C1st D3rd

*select an answer for all questions

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