How do you find the net force acting on an object?
a. find the largest force on the object.
b. find the reaction force.
c. assume there is no friction.
d. add all the force vectors.

Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?