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What are basic quantities and derived quantities?
Basic quantities are physical quantities that are independent and cannot be defined in terms of other physical quantities, such as length, time, and mass. Derived quantities, on the other hand, are physical quantities that are defined in terms of one or more basic quantities, such as speed, acceleration, and force.
What are factors determining the speed?
The factors determining speed can vary depending on the context. In general, factors such as distance to be covered, mode of transportation, obstacles in the path, individual's physical condition and environmental conditions (like weather) can impact speed.
What are derived quantities?
All other quantities which described in terms of base quantities are called base quantities.
How many types of physical quantity?
There are two main types of physical quantities: Scalar quantities, which have only magnitude, and vector quantities, which have both magnitude and direction. Scalars include distance, speed, and temperature, while vectors include velocity, force, and displacement.
How do you classify physical quantities?
Physical quantities can be classified as scalars or vectors. Scalars have only magnitude, such as mass or temperature, while vectors have both magnitude and direction, like velocity or force. Scalars and vectors are further categorized into base quantities (e.g. length, time) and derived quantities (e.g. speed, acceleration).
What is a pair of scalar quantities?
A pair of scalar quantities are two physical quantities that have only a magnitude or size with no direction. Examples include mass, temperature, and speed. Scalars can be added, subtracted, multiplied, and divided like regular numbers.
What is A quantity that is ignorant of direction is referred to as a?
scalar. Scalars are physical quantities that have magnitude but no direction. Examples include distance, speed, and temperature.
What physical quantities are being studied in kinematics?
In kinematics, physical quantities such as displacement, velocity, acceleration, and time are studied to describe and analyze the motion of objects without considering the forces causing the motion. These quantities help understand how objects move and change position over time.
What is dimensions of physical quantity?
Physical quantities can have dimensions, which represent how they are measured or expressed in terms of fundamental units like length, mass, time, etc. These dimensions help in defining and comparing different physical quantities. For example, the dimension of speed is [Length] / [Time] as it is defined as the distance traveled per unit time.
What are some types of scalars?
Some examples of scalars include temperature, speed, mass, and energy. Scalars are physical quantities that have a magnitude but no direction.
Are speed and vilocity vectors?
Yes, both speed and velocity are physical quantities that involve the concept of direction. Speed is a scalar quantity that represents the rate at which an object moves, while velocity is a vector quantity that includes both the speed and the direction of motion.
What Physical values in the real world have two components magnitude?
Force is a physical quantity in the real world that has two components: magnitude and direction. Another example is velocity, which consists of speed (magnitude) and direction. These quantities are vector quantities and require both magnitude and direction to be fully defined.
