An object of mass 2 kg moving under the action of a force which varies with time as shown in the figure. Which one of the following statements is correct for the interval from 0 to 20 s ?

The momentum of the object increases by 75 ms - 1 .

The momentum of the object decreases by 75 ms - 1 .

The momentum of the object increases by 125 ms - 1 .

The change in momentum cannot be found as the initial speed is unknown.

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT>Science>Chapter 28 - Force and Laws of Motion>SAT 2019

Embibe Experts Solutions for Exercise 1: SAT 2019

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Embibe Experts Scholastic Aptitude Test (SAT) Solutions for Exercise - Embibe Experts Solutions for Exercise 1: SAT 2019

Attempt the free practice questions from Exercise 1: SAT 2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SAT solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Exercise 1: SAT 2019 with Hints & Solutions

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:
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