MEDIUM
NTSE Stage II
IMPORTANT
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Figure shows the velocity versus time graph for a block of mass 50 g sliding on a rough floor. The average rate at which energy dissipates (in Js-1) due to the force of friction is:  
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Important Questions on Force and Laws of Motion

EASY
NTSE Stage II
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 28 - Force and Laws of Motion>SAT 2019>Q 1
An object of mass 2 kg moving under the action of a force which varies with time as shown in the figure.
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Which one of the following statements is correct for the interval from 0 to 20 s?
MEDIUM
NTSE Stage II
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Chapter 28 - Force and Laws of Motion>SAT 2021>Q 2
Figure shows the velocity versus time graph for a block of mass 50 g sliding on a rough floor. The average rate at which energy dissipates (in Js-1) due to the force of friction is:  
Question Image