UGC NET Questions (Paper – 1)

This option is correct because the basic formula for uniform motion is distance = speed × time. Speed tells how much distance is covered per unit time. Multiplying it by the time gives the total distance travelled. Therefore, distance equals speed multiplied by time.

Option A:
Speed is defined as distance per unit time. When we multiply this rate by the actual time travelled, the time units cancel appropriately, leaving total distance. This matches the formula for uniform motion and makes this option correct.

Option B:
Acceleration measures how quickly speed changes over time, not directly how far an object travels. It does not multiply with time to give distance in the simple uniform motion formula. Hence, this option is not correct here.

Option C:
Momentum is the product of mass and velocity and belongs to mechanics, not basic kinematics equations of distance. It does not appear in the elementary distance-speed-time relation. Therefore, momentum is irrelevant to the question.

Option D:
Power measures the rate at which work is done or energy is transferred. It is not used to compute distance in uniform motion problems. Thus, this option does not fit the relationship described.