a Define the term work Write the formula for the work done on a body when a force acts on the body i...

Question

a Define the term work Write the formula for the work done on a body when a force acts on the body in the direction of its displacement Give the meaning of each symbol that occurs in the formula b A person of mass 50kg climbs a tower of height 72 meters Calculate the work done

Accepted Answer

a Work is done when an applied force produces motion in a body The formula for work done is W Fs Where W is the work done F is the force applied s is the distance traveled b Mass of the person m 50kg Height of tower h 72m Acceleration due to gravity g 98 Work done W mgh 35280 J

Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 4 - Work And Energy