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Bundle 1, Scope 1 &2
Objects Move and Collide, Newton's Laws and Calculating Speed
| Question | Answer |
|---|---|
| The overall force on an object when all individual forces acting on an object are added together. | Net Force |
| A ____________ is a push or a pull that can change an object's inertia | force |
| Equal forces acting on an object in opposite directions, resulting in no change of motion is called a(n) | balanced force |
| A representation of a force that has both magnitude and direction. (usually depicted as an arrow) | force vectors |
| A nonzero net force that changes an object’s motion is a(n) | unbalanced force |
| The tendency of a moving object to continue in a straight line or a stationary object to remain in place. (due to a balanced force) | inertia |
| This is the pulling force between every object | gravity |
| This is a force that opposes motion. | friction |
| an object at rest will stay at rest, and an object in motion will stay in motion until an unbalanced force acts upon it. | Newton's First Law |
| force equals mass TIMES acceleration | Newton's Second Law |
| for every ACTION there is an EQUAL and OPPOSITE reaction. | Newton's Third Law |
| Scientifically speaking, when objects interact, we say that they _______________. | collide |
| A measure of force is a ___________________. | Newton |
| If I am driving 50 km/hr down the road AWAY from my house, how fast am I going if the HOUSE is my reference point (frame of reference)? | 50 km/hr |
| If I am driving down the road at 50 km/hr, and the car next to me is ALSO driving at 50 km/hr in the same direction as me, how fast am I going if the OTHER CAR is my reference point? | 0 km/hr |
| The only difference between speed and velocity, is that velocity is speed in a given ___________. | direction |
| Speed times (x) time equals | Distance |
| This is the measure of how much matter, or STUFF an object has. | mass |
| The equation to solve for Speed is: | distance divided by time |
| The equation to solve for time is: | distance divided by speed |
| If I ride my bike from my house to the stop sign, heading South, and I travel 10 meters in 5 seconds, what would my speed be? | 2 m/s |
| If I ride my bike from my house to the stop sign, heading South, and I travel 10 meters in 5 seconds, what would my velocity be? | 2 m/s South |
| ___________________is speed in a given direction. | Velocity |
| ___________________ is the rate of change in distance based on a reference point. | Speed |
| In science, _____________________ means speeding up, slowing down, or changing direction. | acceleration |
| The change in an object’s position with respect to time and in comparison with the position of other objects used as reference points | motion |
| A system that uses coordinates or background objects to establish position or to measure movement of a point in space | Frame of Reference |
| A straight path that an object can move along | direction |
Created by:
Ms. Traynor-Grimes (Ms.TG)
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