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Chapter 1: Q12DQ (page 263)

A glass dropped on the floor is more likely to break if thefloor is concrete than if it is wood. Why? (Refer to Fig. 8.3b.)

Short Answer

Expert verified

When the glass is dropped on a glass floor more force is generated in comparison to wood, so it is more likely to break.

Step by step solution

01

Using Fig 8.3b to show the relation between force and time.

02

Discussion

As we know during collision change in momentum is equal to the impulse of the net force.From the figure,8.3 b we can understand that the forceis more if the duration of time is less. The collision of glass with the concrete floor is more abrupt and of short duration than the wooden floor. Therefore, larger forces will be generated.

Therefore, when the glass is dropped on a glass floor more force is generated in comparison to wood, so it is more likely to break.

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