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Moving Objects 2
Moving Objects: Ch 3B Pt 2
Question | Answer |
---|---|
2 bumper cars bouncing back when they hit | third law |
an object at rest will remain at rest until an unbalanced force acts on it | first law |
truck requiring more force to travel when fully loaded than when empty | second law |
an object in motion will stay in motion until an unbalanced force acts on it | first law |
bowling ball rolling down the alley until it hits a pin | first law |
it takes more force to move an object with greater mass than less mass | second law |
rock laying on a flat surface and not moving | first law |
ice skate blades against the ice melting some of the ice & slowing the skater down | friction |
motion of a yo-yo traveling up & down a string | straight-line motion |
motion of moon orbiting around the earth | circular |
race cars speeding up or slowing down as they move around a corner | acceleration |
your body continuing to move forward when the car stops suddenly | inertia |
motion of the top of a snare drum when hit | vibrational |
why flat piece of paper would hit the ground after crumpled piece | air resistance |
why bowling ball would weigh less on the moon | less gravity |
how mass would be affected if object were taken to the moon | no change |
how weight would be affected if object were taken to the moon | weigh less |
another name for Newton's 1st law | Law of Inertia |