Question

The fundamental force that operates among all the objects in the universe is

• A. Electromagnetic force
• B. Strong nuclear force
• C. Weak nuclear force
• D. Gravitational force

Hint:

Among the four fundamental forces, only \[ \boxed{\text{Gravitational force}} \] acts universally between all objects having mass.

Answer 1

The Correct Option is D

Step 1: Recall the four fundamental forces. The four fundamental forces of nature are: \[ \text{Gravitational, Electromagnetic, Strong Nuclear and Weak Nuclear forces.} \] Among these, \[ \boxed{\text{Gravitational force}} \] acts between all objects having mass.

Step 2: Compare with other forces.
• Electromagnetic force acts only between charged particles.
• Strong nuclear force acts only inside the atomic nucleus.
• Weak nuclear force is responsible for radioactive decay.
• Gravitational force acts between every pair of masses in the universe.

Step 3: Write the answer. Hence, \[ \boxed{\text{Gravitational force}}. \] Thus, \[ \boxed{(D)} \] is the correct answer.