In Newtonian mechanics which parameter apply external force ?
Explain main type of force with suitable example.
Figure shows $(x,\, t)$, $(y,\, t)$ diagram of a particle moving in $2-$ dimensions.
If the particle has a mass of $500\,g$, find the force (direction and magnitude) acting on the particle.
Define force. What is contact force ? Write two example of field force.
Define impulse of force. Time derivative of momentum gives which physical quantity ?