Word Bank:
Balanced
Force
Fluid
Friction
Gravity
Inertia
Lubricants
Rolling
Sliding
Unbalanced
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Questions and Answers
1.
A ________ is a push or a pull.
2.
________ is a force that acts in a direction opposite of the motion.
3.
The force exerted by a fluid (ex. air, water, oil) is called ________ friction.
4.
A property of matter which resists any motion is called ________.
5.
The force of attraction that exists between all objects in the universe is called falling friction also known as ________.
6.
Two forces which are acting in the same direction are called ________ forces.
7.
Two forces which are both acting in opposite directions are called ________ forces.
8.
When solid objects slide over each other, that type of friction is called ________ friction.
9.
The friction produced by rolling objects (ex. wheels, balls) is called ________ friction.
10.
Slippery substances such as oil, wax and grease are called ________.