Across
- If the Fg on sun by the moon was ten newtons, the Fg on the moon by the sun will be what quantity ?
- Kg·m/s² is equal to____?
- It takes five newtons to move a rectangular block across a table at constant velocity. If the block is flipped on the side with a smaller surface area, it will take_____newtons to move it at constant velocity.
- At constant velocity what is the net force always equal to?
- When two or more objects interact, the total momentum before is equal to the total momentum ____.
- As the unbalanced force applied on an object decreases, the time rate of change of the objects momentum_______.
- If the direction of momentum of an object is East, the direction of velocity is in what direction?
- Two factors that can determine the amount of friction between two objects are force and _____.
- A 3kg weight is hanging still on a string. This means there is____momentum.
- In what direction is the weight force?
- What metal needs the least amount of force to move it at constant velocity across a steel floor? (Ref.T)
- What is the mutual force of attraction between any two objects in the universe?
- This type of friction is the force opposing the motion of an object sliding over a surface.
- Mass times____is equal to the objects momentum.
- If you doubled the weight force on a moving object you would_____the friction force.
- A 2kg animal laying down has a gravitational force on the Earth of_____Newtons. (remember gravity acceleration can vary)
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Down
- The relationship between the force due to gravity and the distance between 2 centers is ? (2 words)
- As an object falls freely toward the Earth, its momemtum_______.
- A weak golfer could hit a ball further than a strong golfer by applying the force for a longer____.
- An two newton force imparts an impulse of eight newtons-seconds to an object. The force acted on the object for how many seconds?
- The law of conservation of momentum states that if no external force is acting on a system, the total momentum of the system will be (the) ____.
- Impulse is measured in the unit _____seconds
- The slope of a Fg vs. r plot the slope is _________ ?
- Kinetic friction is always____than static friction?
- The force that is always perpendicular to the surface.
- Weight is measured in the same units as
- Momentum is which type of quantity?
- If the mass of an object was halved, the gravitational force between it and the other object would be
- ____ friction is equal and opposite to the applied force parallel to the surface that is required to get its motion going.
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