An example of a body moving with constant speed but still accelerating is
a) A body moving with constant speed on a straight road
b) A body moving in a helical path with constant speed
c) A body moving with constant speed in a circular path
d) A body moving with constant speed on a straight railway track
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The options (b) and (c) both are correct.
An example of a body moving with constant speed but still accelerating is..
- a) a body moving with constant speed on a straight road.
- b) a body moving in a helical path with constant speed.
- c) a body moving with constant speed in a circular path.
- d) a body moving with constant speed on a straight railway track.
A body moving with constant speed but still accelerating. means, the direction of speed of body is changing with time.
- In a straight line motion, the direction of speed can't be changed. hence, the acceleration will be zero.
- In helical path, there are two types of motions, one helps to make it circular path and the other one helps it to make linear. Now in circular path, it is quite possible that body changes the direction of its speed. hence, it is accelerating. so, this case is true example.
- A body moving in circular path with constant speed, changes the direction of the speed at every point of its path, hence a circular motion, is accelerating. so this case is also true example.
From explanation, options (b) and (c), both are correct choices.
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