If a spring of spring constant k extends by x on loading due to an applied force F, then the energy stored by the spring is
An object of mass 1 kg is moving at a speed of 10 m/s. A constant force acts on the object for 4 seconds due to which the speed of object becomes 2 m/s in opposite direction after the force applied is removed. What can be said about the force acting on the object?
An object of mass 1 kg is at rest. A constant force of 10 N is applied on it for 2 seconds. Find the work done by the force on the object.
A net force F is required to give an object with mass m an acceleration a. If a net force 6F is applied to an object with mass 2m, what is the acceleration on this object?