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Unit 6 Review
Unit 6 Newton's Laws Review
Question | Answer |
---|---|
A _________ is a push or pull. | force |
___________ are unequal force and can cause an object to start moving, stop moving or change directions | unbalanced |
________ force is the overall force. | Net |
_________ forces are equal forces | Balanced |
______ is distance/time | Speed |
________ is speed and direction | Velocity |
_____________ is a change in velocity (speeding up, slowing down, or changing direction. | Acceleration |
Newton's First Law of Motion is also known at the Law of _____. | Inertia |
Newton's 3rd Law of Motion is also known as the Law of ___________. | Action/Reaction |
Newton's 2nd Law of Motion states that ____ = mass x acceleration | force |
___________ is an objects tendancy to continue in it's path of travel. | Inertia |
Newton's _______ Law is called the Law of Force and Acceleration. | 2nd |
What are three unbalanced forces that effect motion on Earth's surface? | gravity, friction and air resistance |
Name the Law....a rock launch | 3rd law |
Name the Law...a soccer ball stopping as it rolls across the grass | 1st Law |
Name the Law...at the same acceleration, a large truck has more force than a small car. | 2nd Law |
Name the Law...wall ball | 3rd Law |
Name the Law...a body going forward when someone slams on the breaks | 1st Law |
Name the Law ... a balloon going across the room. | 3rd Law |
Name the Law...a satellite orbiting Earth. | 1st Law |
Calculate the force exerted when a 700 kg truck is accelerating 5 m/s2. | 3500N |
Calculate the force when a 200 kg car is accelerating 3.5 m/s2. | 700N |
Calculate the mass of a object exerting a force of 600 N when it is accelerating 2.5 m/s2 | 240kg |
A 500 kg object is exerting a force of 3700N. Calculate the acceleration. | 7.4 m/s2 |