Question

In which of the following applications is work not done?

• A. Shopping in the supermarket
• B. Standing with a basket of fruit on the head
• C. Climbing a tree to pluck
• D. Pushing a wheelbarrow of bricks

Answer 1

The correct option is B

Standing with a basket of fruit on the head

The explanation for the correct option.

Option B: When Standing with a basket of fruit on the head, there is no displacement. Therefore, there is no work done.

The explanation for the incorrect options.

Option A: Shopping in the market creates displacement and utilizes energy for it. There will be work done here.

Option C: While Climbing a tree, the person gains potential energy which is equal to work done.

Option D: Pushing a wheelbarrow of bricks requires energy and there is a displacement in pushing them. There is work being done in this case.