Question

Unit of momentum?

A) N (Newton)
B) kg (kilogram)
C) ns (nanosecond)
D) N/s (Newton-second)

Answer 1

The correct unit of momentum is kg·m/s, which can also be expressed as N/s (Newton-second). This represents the product of mass and velocity and relates to Newton's second law.

Step-by-step explanation:

The unit of momentum in physics is the product of mass and velocity of an object, which is given as kilogram meters per second (kg·m/s).

Therefore, the correct answer to the question is D) N/s (Newton-second), which is another way of saying kg·m/s, since 1 N (Newton) equals 1 kg·m/s². This unit describes the quantity of motion an object has and is a fundamental concept in classical mechanics, closely related to Newton's second law of motion.

Answer 2

The unit of momentum is a kilogram meter per second (kg·m/s). Therefore, the correct answer from the provided options is none.

Step-by-step explanation:

Momentum is defined as the product of an object's mass and its velocity. In symbols, the formula for momentum is p = mv, where m is the mass and v is the velocity of the object. The SI unit for momentum is kilogram meters per second (kg. m/s).

The unit of momentum is not Newton (N), kilogram (kg), nanosecond (ns), or Newton per second (N/s). Momentum, a concept in physics, is the product of mass and velocity, and its SI unit is kilogram meter per second (kg·m/s).

Momentum (p) can be calculated as:

p = m × v

where m is the system's mass in kilograms (kg) and v is the velocity in meters per second (m/s). Hence, the units of momentum are expressed as kg·m/s.

Therefore, the correct answer from the provided options is none.