Physics, 11.10.2019 04:10 silveryflight
Aperson is trying to judge whether a picture (mass = 1.14 kg) is properly positioned by temporarily pressing it against a wall. the pressing force is perpendicular to the wall. the coefficient of static friction between the picture and the wall is 0.720. what is the minimum amount of pressing force that must be used?
Answers: 1
Physics, 22.06.2019 06:30
Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.
Answers: 2
Physics, 22.06.2019 21:30
In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane
Answers: 1
Aperson is trying to judge whether a picture (mass = 1.14 kg) is properly positioned by temporarily...
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