Chapter 7
Work, Energy, and Simple Machines
CBSE Class 9
Science Solutions
Educart Science class Class 9 NCERT Exemplar cover
Question:

When you pedal a bicycle on a flat road, your muscles supply energy. In what forms does this muscular energy appear as you ride?

Answer: Verified

When you pedal a bicycle on a flat road, the muscular energy supplied by your muscles is converted mainly into the kinetic energy of the moving bicycle. Some part of the energy is also converted into heat due to friction.

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More NCERT Questions
Explain why roads on hills are built to wind around in gentle slopes rather than going straight up? [Pg. No. 132] Why is it easier to open the lid of a can by using a spoon as shown in Figure.[Pg. No. 135] To reach a higher floor, we find climbing an inclined ladder easier in comparison to climbing a vertical ladder. Explain why.[Pg. No. 132] State whether True or False. (A) Work is said to be done when a force is applied, even if the object does not move. (B) Lifting a bucket vertically upward results in positive work done on the bucket.