Term
| Terminal Velocity means... |
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Definition
| gravity is balanced by air resistance |
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Term
| Ignoring air resistance, on Earth... |
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Definition
| all objects accelerate at the same rate |
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Term
| Newton's law of universal gravitation states that all objects in the universe that have mass___. |
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| If the distance between two objects decreases, then the force of gravity |
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Term
| What force is needed to accelerate a 2 Kg mass at a rate of 4 m/sec/sec? |
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Term
| If you go to the moon, then... |
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Term
| As the velocity of an object increases, the momentum |
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Term
| Suppose you want to pull your baby cousin in a wagon at 2 m/sec/sec so you pull with a force of 40N. Then two more baby cousins get into the wagon. In order to accelerate all three baby cousins at 2 m/sec/sec you will have to |
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Definition
| pull with a force greater than 40N |
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Term
| Kinetic friction is between |
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Definition
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Term
| Kinetic friction is between |
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Definition
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Term
| Suppose a 5N force is applied to one baseball and a 10N force is applied to another baseball. Which one will accelerate faster? |
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Definition
| The baseball with the 5N force |
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Term
| If you punch a wall, your hand hurts because |
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Definition
| the wall applied the same force back on your hand |
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Term
| If you add up all the forces acting on an object, the overall force on that object is called the |
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Definition
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Definition
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Term
| A net force of 5N to the right means the forces are |
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Definition
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Term
| If all forces on an object do not cancel out then the object |
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Definition
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Term
| The force of gravity depends on distance and |
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Definition
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Term
| A net force of 0 N means the forces are |
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Definition
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Term
| A net force of 0 N means the forces are |
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Definition
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Term
| Suppose the same force is applied to two different objects, one with a mass of 100 Kg and the other with a mass of 50 Kg. Which one will accelerate faster? |
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Term
| Friction acts in the ___ direction of the motion of the object. |
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Definition
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Term
| You should always wear your seatbelt in a car because |
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Definition
| objects in motion stay in motion |
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Term
| As the surface area of an object increases (like a parachute for a sky diver), the frictional force from air resistance ___ . |
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Definition
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Term
| An object moving at its terminal velocity will be |
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Definition
| moving at a constant speed |
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Term
| The only force acting on an object in true free fall is |
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Definition
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Term
| Newton's first law states that objects at rest |
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Definition
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Term
| If an object is in free fall, with air resistance, the air will |
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Definition
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Term
| If all forces on an object cancel out then the object |
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Definition
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Term
| The force of gravity depends on mass and ___ . |
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Term
| Jupiter has more mass than Earth, therefore you would weigh |
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Definition
| more than you do on Earth |
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Term
| Which will have the greater gravitational pull between them? |
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Definition
| Two 100 Kg masses 1 m apart |
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Term
| Which will have the greater gravitational pull between them? |
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Definition
| Two 100 Kg masses 1 m apart |
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Term
| Static friction is ___ kinetic friction. |
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Definition
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Term
| For two object moving at the same velocity, the one with more mass will have ____ compared to the object with less mass. |
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Definition
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Term
| All objects on Earth accelerate at |
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Definition
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Term
| You can pull a tablecloth out from under a plate without moving the plate very much because |
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Definition
| the plate has inertia and resists a change in motion |
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