Explain the following concepts in your own words with everyday examples :
force, work, displacement, velocity, acceleration, distance.
Answers
Answer:
Distance : The length of the route actually traversed by a moving body, irrespective of the direction, is called distance. Distance is a scalar quantity.
2. Displacement : The minimum distance traversed by a moving body in one direction from the original point to reach the final point, is called displacement. In displacement, both distance and direction are taken into account. Therefore, displacement is a vector quantity. The unit of measurement of distance and displacement is the metre, in the SI as well as in the MKS system of measurement.
3. Velocity : Velocity is the distance traversed by a body in a specific direction in unit time. The velocity of a body can be calculated by the following formula.
4. Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.
5. Work : In physics, work is defined as a force causing the movement—or displacement—of an object. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force.
6. Force : A force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.