Gr. 8 Chap.2 Laws of Motion
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| CONTACT FORCE | PUSH OR PULL ON AN OBJECT BY ANOTHER OBJECT THAT IS TOUCHING IT
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| NONCONTACT FORCE | FORCE ONE OBJECT CAN APPLY TO ANOTHER WITHOUT TOUCHING IT
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| F0RCE | PUSH OR PULL ON AN OBJECT
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| FRICTION | FORCE THAT RESISTS THE MOTION OF 2 SURFACES THAT ARE TOUCHING
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| GRAVITY | ATTRACTIVE FORCE THAT EXISTS BETWEEN ALL OBJECTS WITH MASS
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| MASS | AMOUNT OF MATTER IN AN OBJECT
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| STATIC | AT REST OR HAVING NO MOTION
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| WEIGHT | GRAVITATIONAL FORCE EXERTED ON AN OBJECT.....AN OBJECTS RESPONSE TO GRAVITATIONAL PULL
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| BALANCED FORCES | COMBINED FORCES FORM A NET FORCE OF ZERO
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| INERTIA | TENDENCY OF AN OBJECT TO RESIST A CHANGE IN ITS MOTION
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| NET FORCE | COMBINATION OF ALL FORCES ACTING ON AN OBJECT
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| NEWTON'S FIRST LAW OF MOTION | THE LAW OF INERTIA AN OBJECT AT REST STAYS AT REST UNLESS ACTED UPON BY AN OUTSIDE FORCE.....AN OBJECT IN MOTION STAYS IN MOTION UNLESS ACTED UPON BY AN OUTSIDE FORCE.....THE MOTION OF AN OBJECT DOES NOT CHANGE IF THE NET FORCE ON AN OBJECT IS ZERO
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| REFERENCE DIRECTION | GIVEN DIRECTION FROM A STARTING POINT TO DESCRIBE AN OBJECT'S POSITION
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| UNBALANCED FORCES | COMBINED FORCES THAT FORM A NET FORCE THAT IS NOT ZERO
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| CENTRIPETAL FORCE | FORCE IN A CIRCULAR MOTION THAT ACTS PERPENDICULAR TO THE DIRECTION OF MOTION TOWARD THE CENTER OF THE CIRCLE
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| CIRCULAR MOTION | ANY MOTION IN WHICH AN OBJECT IS MOVING ALONG A CURVED PATH
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| NEWTON'S 2ND LAW OF MOTION | ACCELERATION IS EQUAL TO THE NET FORCE EXERTED ON AN OBJECT DIVIDED BY THE OBJECTS MASS
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| FORCE PAIR | FORCES THAT 2 OBJECTS APPLY TO EACH OTHER
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| LAW OF CONSERVATION OF MOMENTUM | TOTAL MOMENTUM OF A GROUP OF OBJECTS REMAINS THE SAME UNLESS OUTSIDE FORCES ACT ON THE OBJECTS
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| MOMENTUM | MEASURE OF HOW HARD IT IS TO STOP (START) A MOVING OBJECT
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| NEWTON'S 3RD LAW OF MOTION | FOR EVERY ACTION THERE IS AN EQUAL AND OPPOSITE REACTION
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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