While riding a bicycle, the muscular energy of the rider gets transferred into heat energy and kinetic energy of the bicycle. Heat energy heats the rider’s body. Kinetic energy provides a velocity to the bicycle. The transformation can be shown as: Mascular Energy → Kinetic Energy + Heat Energy. During the transformation, the total energy.

Ankit visited in a mall with his father. He sees that three shops are situated at P, Q, R as shown in the figure from where they have to purchase things according to their need. Distance between shop P and Q is 8 m, that of between shop Q and R is 10 m and between shop P and R is 6 m.

Two hundred years ago, on June 12, 1817, in Mannheim, Germany, Baron Karl von Drais introduced the world’s first bicycle. It was made of wood and had no pedals, gears, or chains. He pushed himself along first by one foot and then the other. He called it a Laufmaschine (running machine in German).

The bicycle was first invented out of necessity, rather than convenience or fashion. What made the creation of a new “two-wheeled Laufmachine” (running machine) in Germany during the early 19th century was, in fact, the eruption of Mount Tambora in 1815, which resulted in a volcanic winter that starved out a large number of horses – a “horse substitute” was thus created.

Plug the charger directly into the port on the battery. Plug your electric bike’s charger into a wall outlet and look for the green light on the charger to come on, which indicates that it’s connected to power. Take the charging cord and insert it directly into the charging port on your bike.