choose the correct answer The potential energy function U is associated with the
ID: 1571768 • Letter: C
Question
choose the correct answer
The potential energy function U is associated with the conservative internal forces. If ONLY Y conservative forces(like the gravitational force) act on a particle, the velocity of the particle cannot change. The apparent weight of an object is determine only from the mass of the object, and not from the normal force. The purpose of the antilock braking system ABS is to help drivers to better maintain control of their automobiles and maximum stopping distance, The Normal Force is always equal to mg. Compressing a given spring 2.0 cm from its unstressed length takes the same work as stretching it 2.0 cm from its unstressed length.Explanation / Answer
5. F: Potential energy is due to virtue of position or configuration.
6. F: Conservative force conserves the total energy and work done is independent of the path taken.
7.F: Apparent weight happens whenever the mass of the body is not balanced by normal force.
8. F: It decreases stopping distance.
9:F: Normal force is not always equal to mg. If balaned then it is equal to mg
10. T: Stretch or compress energy will be same.
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