Question

a dog lifts a 1.5 kg bone straight up through a distance of 0.2 m. How much work was done by the dog?

Answer 1

see below

Step-by-step explanation:

we have ,

• mass = 1.5kg
• height = 0.2 m

We know,

Work = mgh

Work = 1.5kg * 10m/s² * 0.2m

Work= 3J

and we are done!