B. A crowbar of 2m is used to lifi an object of 800N. If the effort arm is 100 calculate the effort applied.
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Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader