A lever is a simple machine that can be used to push or lift a heavy object. Which of the following is an example of a lever?
ایک لیور ایک سادہ مشین ہے جسے بھاری شے کو آگے بڑھانے یا اٹھانے کے لئے استعمال کیا جاسکتا ہے۔ مندرجہ ذیل میں سے کون لیور کی مثال ہے؟
Answer: Wheelbarrow
Explanation
A wheelbarrow is a second-class lever, where the load is between the effort and the fulcrum.It helps lift or move heavy loads with less effort using leverage.
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