Newton’s first law of motion says that a moving body should continue to move forever, unless some external forces act on it. But a moving cycle comes to rest after some time if we stop pedaling it. Can you choose the correct reason for the stoppage of cycle? i. Air resistance ii. Gravitational pull of the earth iii. Friction of the road iv. Heat of the environment Choose the correct option
Answers
Answer:
3rd one
Explanation:
Friction of the road
Answer:
(1) (2) (3)
Explanation:
(1) When we ride a bicycle air is opposing the motion of the bicycle . Hence the frictional force is affecting the motion of the bicycle . For comparison if you travel on the moon and if you travel on the earth the ride will be easier on the earth due to the lower air resistance on the moon.
(2)The gravitational pull of the earth affects the motion of all the bodies . Hence this will drastically affect the motion of the bicycle . For comparison if you travel on the moon and if you travel on the earth the ride will be easier on the moon due to low gravity .
(3)The frictional force affects the motion of all bodies depending upon the smoothness and other external opposing forces . Hence the frictional force helps to stop the motion of the body . For comparison if you ride on a smooth road and if you ride on a rough road it will be easier to travel on the smooth road due to lower friction
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