Answer :
Final answer:
To lift a 30-kg box to a height of 1 m, it will take 294 J of work.
Explanation:
To calculate the work done to lift a box, we need to use the formula: work = force x distance. The force required to lift the box is equal to its weight, which is the product of its mass and the acceleration due to gravity. In this case, the mass of the box is 30 kg, and the acceleration due to gravity is approximately 9.8 m/s2. So, the force required is 30 kg x 9.8 m/s2 = 294 N. The distance over which the box is lifted is 1 m. Therefore, the work done is equal to 294 N x 1 m = 294 J.
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