15 terms

5th Grade Science Fusion Unit 7: Forces and Motion

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Terms in this set (...)

force
a push or pull, which may cause a change in an oject's motion
friction
a force that acts between two touching objects and that opposes motion
gravity
the force of attraction between objects, such as the attraction between Earth and objects on it
balanced forces
forces that cancel each other out because they are equal in size and opposite in direction
unbalanced forces
forces that cause a change in motion because they act on an object and don't cancel each other out
velocity
acceleration, speed
attraction
the electric or magnetic force that acts between oppositely charged items, tending to draw them together.
magnetic
Capable of being magnetized or attracted by a magnet
mass
the property of matter that measures its resistance to acceleration
motion
the act of moving
Newton
the standard unit of force in the International System of Units (SI)
opposing
To present in counterbalance or contrast
repel
to push away by a force
speed
The rate or a measure of the rate of motion
weight
A unit measure of gravitational force

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