Just then, Aryan’s eyes lit up. “What if we use something round,
like a wheel? When I roll my toy cart, it feels easy to move.”
Aditi nodded, and said, “Let’s ask Swati didi! She is always fixing
the bucket from the well, and she was finding it hard to do it.”
force is simply a push or pull. When I pull the bucket up, gravity
“Something pulls it down? What’s that?” Aryan asked.
“We can use a pulley,” said Swati.
“A pulley? What’s that?” Aryan asked.
a wheel with a groove around it. When you pass a rope through
Swati continued. “When you use a
Can you guess which of these objects can be
used to make a pulley?
A wooden log, a bicycle wheel, a metal plate, a
strong rope.
Puzzle
pulley, instead of pulling straight up, you pull the rope down.”
Aditi looked curious. “So, the pulley makes it easier by changing
the direction?”
“Exactly!” Swati said, smiling. “Instead of pulling the bucket up,
you pull the rope down. This doesn’t make the bucket lighter,
but pulling down lets you use your body weight better, which
can make the task feel easier.”
“Can we make one?” Aditi asked excitedly.
“Sure! Let’s gather some materials,” Swati said. They found an old
bicycle wheel, a sturdy rope, and a wooden frame.
First, they mounted the wheel on a metal rod and fixed it to the
wooden frame. Then, they passed the rope through the groove
in the wheel and tied one end to an empty bucket.
Grandmother tried it and was amazed. “Wah! This is wonderful!
Later, as the siblings sat by the well, Aryan said, “We learned so
“Exactly!” Swati said. “With creativity and teamwork, you can
Who knows what you’ll create next?”
With that, the two siblings ran off, dreaming of their next big