A 0.2 kg plastic cart and a 20 kg lead cart can both roll without friction on a horizontal surface. equal forces are used to push both carts forward for a distance of 1 m, starting from rest. after traveling 1 m, is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart?

Respuesta :

The momentum of the plastic cart will be less than the lead cart. If you will notice the mass of the plastic cart is much lower than the lead cart. This means that the plastic cart will accelerate faster and cover the distance in less time, which will affect the momentum. This is because the time the force is applied on the plastic cart would be less than the lead cart, which will ultimately affect the momentum. 

the momentum of a plastic wagon is less than the momentum of tin. Because of the difference in mass on plastic carts so to push a plastic cart requires only a little energy.

Further Explanation

Definition Momentum in physics is a measure of the difficulty to stop the motion of an object. Momentum is a vector quantity.

Speed ​​is a vector quantity that shows how fast an object is moving. The magnitude of this vector is called speed and is expressed in units of meters per second (m / s or ms − 1).

Unit of speed

Some other speed units are:

  • meters per second with the symbol m / s
  • kilometers per hour with the symbol km/hour or kph
  • miles per hour with the symbol miles/hour or mph
  • knots stand for hourly nautical miles
  • Mach took from the speed of sound. Mach 1 is the speed of sound.
  • The speed of light or also called the light constant is expressed by the symbol c

The mass is a physical property of an object that is used to explain the various behaviors of the object being monitored. In everyday use, mass is usually synonymous with weight. But according to modern scientific understanding, the weight of an object is caused by the interaction of mass with the gravitational field. The modern concept of mass was introduced by Sir Isaac Newton (1642-1727) in the explanation of gravity and the inertia he developed. Previously, various phenomena of gravity and inertia were seen as two different and unrelated things. However, Isaac Newton combined these phenomena and argued that all of these phenomena were caused by the existence of a mass.

Units of mass

The instrument used to measure mass is usually a scale. In SI units, mass is measured in kilograms, kg. There are also various other mass units, for example:

  • gram: 1 g = 0.001 kg (1000 g = 1 kg)
  • tons: 1 ton = 1000 kg
  • MeV / c2 (Generally used to address masses of subatomic particles.)

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Details

Grade: College

Subject: Physics

keywords: Momentum

Q&A Education