splodes l\' × Facebook php?attempt-17896298ipage-1 gnupic Myure Dashboard Graded

Question

splodes l' × Facebook php?attempt-17896298ipage-1 gnupic Myure Dashboard Graded Exam 1.pdf 4203 LIVE CHAT HELP CENTER Log Out apter 6: The Physics of Extended Objects / Graded Exam #2 Which of the following is not correct? Select one: O a. Work occurs when a force is applied to an object through so that the object is moved some distance. O b. If a force is applied to an object but there is no displacement, then no work is done. c. The work done by gravity is always negative. d. The work done by a constant force is the product of the magnitudes of the parallel component of the force and the displacement Next page 10 PM

Explanation / Answer

Work done by the gravity need not be always constant. It will be negative when any object movies against the gravity. So sometimes its positive ( when gravity and displacement are in the same direction) and negative ( when gravity and displacement are in opposite direction).

hence (C) is incorrect

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