Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Weight lifting is done to strenghthen our body .if weight lifting will be done without any force then there will be no effect on our body so this is useless but as there is opposite force which acts simultaneously when we apply force make us to apply more and more energy . that is why friction is important  in weightlifting .
1 5 1
hope this wil help u plz mark as best
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts