two students move a box to the left one student pushes with a force of 100 to the left, and the other student pulls with a force of 85 and to the left. they move the box 20 M and 7s. what is the total amount of work done on the box by the students? PLEASE ANSWER RIGHT AWAY IM GIVING 50 PTS

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Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation