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False. ApEx C;
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Rolling a cart up a ramp is an example of doing negative work true or false?
False. Rolling a cart up a ramp is an example of doing positive work. Work is done when a force is applied to move an object in the direction of the force, such as lifting a weight or pushing a cart uphill.
Is rolling a cart up a ramp an example of doing negative work?
"Negative work" is defined as energy exerted in the opposite direction from the displacement of the object. So here, in addition to adding to the gravitational potential energy, the work is positive.
True or false if you slide a bag of groceries along a countertop you must first overcome rolling friction?
False. When sliding a bag of groceries, you are overcoming sliding friction, not rolling friction. Rolling friction occurs when a round object like a wheel rolls along a surface.
True or false when an object rolls over a surface the kind of friction that occurs is called round friction?
False. The type of friction that occurs when an object rolls over a surface is called rolling friction, not round friction. Rolling friction is caused by the deformation of the object and surface at the point of contact, which generates resistance that opposes the motion of the object.
True or false a negative slope on the velocity vs. time graph indicates that the object is not accelerating?
False. A negative slope on a velocity vs. time graph indicates that the object is decelerating, not that it is not accelerating. Acceleration and deceleration are both forms of acceleration, but in opposite directions.
Rolling a cart up a ramp is an example of doing negative work true or false?
False. Rolling a cart up a ramp is an example of doing positive work. Work is done when a force is applied to move an object in the direction of the force, such as lifting a weight or pushing a cart uphill.
Lifting a piano into a truck is an example of doing negative work?
False
Is rolling a cart up a ramp an example of doing negative work?
"Negative work" is defined as energy exerted in the opposite direction from the displacement of the object. So here, in addition to adding to the gravitational potential energy, the work is positive.
Lifting a piano into a truck is an example of doing work?
False
When doing linear regression if the correlation coefficient is positive the slope of the line is negative?
False.
What is false positive and the false negative alarms in intrusion detection system?
False negatives are riskier than false positives because say for example, if there wasn't an attack and the IDS picked it (false positive), its not much of a harm but if there was an attack and the IDS doesn't detect it (false negative), then it can be disastrous. Yashniel
Is it true or false that noise pollution from a racetrack is an example of a positive externality?
False; noise pollution form a race track is not an example of positive externality. It is more likely an example of negative externality.
What is negative logic system?
A positive logic system will output true only when the input is true. A negative logic system will output true only when the input is false. The NOT logic gate is an example of a negative logic system. That is, NOT( false ) will output true.
Art criticism is usually negative?
False!! is not usually negative.
Can urine test for pheochromocytoma be false negative?
Any test can be a false negative.
Can antihistamines cause false negative pregnancy test?
Promethazine (Phenagren) can cause a false negative.
The difference between any two negative numbers is always negative?
That statement is false. For example, (-2) - (-3) = 1 which is a positive number created from two negative numbers when subtracted.
