Answer :

To find the work done in lifting a 2.00 kg book 1.00 m above the floor, we use the formula W = Fd. The force required is obtained by multiplying the mass (2.00 kg) by the acceleration due to gravity (9.8 m/s²), equaling 19.6 N. Multiplying this force by the distance (1.00 m) gives the work done as 19.6 Joules.

To determine the work done in lifting the book, we can use the work formula: W = Fd, where F is the force applied and d is the distance.

First, we need to find the force required to lift the book. This is given by the weight of the book, which can be calculated using the formula F = mg, where m is the mass of the book and g is the acceleration due to gravity (9.8 m/s²).


Step-by-Step Calculation:


  • Mass of the book, m = 2.00 kg

  • Acceleration due to gravity, g = 9.8 m/s²

  • Height, d = 1.00 m

Calculate the force: F = mg = 2.00 kg * 9.8 m/s² = 19.6 N

Now calculate the work done: W = Fd = 19.6 N * 1.00 m = 19.6 J


Therefore, the work done in lifting the 2.00 kg book 1.00 m above the floor is 19.6 Joules.

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Rewritten by : Barada