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What is the magnitude of the force between the blocks with masses 4.2 kg and 8.8 kg?

A. 13.0 N
B. 37.6 N
C. 71.4 N
D. 102.2 N

Answer :

Final answer:

The magnitude of the force between the two blocks with masses 4.2 kg and 8.8 kg is 102.2 N. Hence the correct option is (d).

Explanation:

The magnitude of the force between two objects can be calculated using Newton's second law of motion, which states that force is equal to mass multiplied by acceleration. In this case, we can assume that the force between the two blocks is due to their gravitational attraction.

The formula for gravitational force is F = G * (m1 * m2) / (r^2), where G is the gravitational constant, m1 and m2 are the masses of the blocks, and r is the distance between them.

Using the given masses of the blocks (4.2 kg and 8.8 kg) and assuming the distance between them is negligible, we can calculate the force:

F = (6.674 * 10^-11 N m^2 / kg^2) * (4.2 kg * 8.8 kg) / (0.5 m)^2 = 102.2 N.

Therefore, the correct answer is d. 102.2 N.

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