Addition and Subtraction of Forces
Addition and Subtraction of Forces: Overview
This Topic covers sub-topics such as Parachutes, Spring Balance, Resultant Force, Unbalanced Forces, SI System, Fundamental and Derived Quantities, Aerodynamic Car, Balanced Forces, Addition of Forces and, Terminal Velocity of an Object
Important Questions on Addition and Subtraction of Forces
What does terminal velocity of an object means?
Find the resultant of the two forces in the following diagram.
A streamlined body reduces weight.
The magnitude of resultant forces of balanced force will be always non-zero.
Aerodynamic drag increases with the square of the speed of the car.
Describe the graph between the maximum speed of a car and the aerodynamic drag for different thrusts produced by the engines.
How stokes law helps a man come down with the help of a parachute?
Describe the shape of parachutes.
The diagram shows some forces acting on a car. If the forces in the diagram are balanced, what is the value of the missing force?
What is the sum of all forces acting on a body called?
The resultant of balanced forces is:
