AIEEE 2003 | Laws of Motion Question 129 | Physics

A horizontal force of $$10$$ $$N$$ is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is $$0.2$$. The weight of the block is AIEEE 2003 Physics - Laws of Motion Question 121 English

AIEEE 2003 Physics - Laws of Motion Question 121 English

$$20N$$

$$50N$$

$$100N$$

$$2N$$

AIEEE 2003

MCQ (Single Correct Answer)

-1

Three forces start acting simultaneously on a particle moving with velocity, $$\overrightarrow v \,\,.$$ These forces are represented in magnitude and direction by the three sides of a triangle $$ABC$$. The particle will now move with velocity AIEEE 2003 Physics - Laws of Motion Question 122 English

AIEEE 2003 Physics - Laws of Motion Question 122 English

less than $$\overrightarrow v \,$$

greater than $$\overrightarrow v \,$$

$$\left| v \right|$$ in the direction of the largest force $$BC$$

$$\overrightarrow v \,\,,$$ remaining unchanged

AIEEE 2003

MCQ (Single Correct Answer)

-1

A rocket with a lift-off mass $$3.5 \times {10^4}\,\,kg$$ is blasted upwards with an initial acceleration of $$10m/{s^2}.$$ Then the initial thrust of the blast is

$$3.5 \times {10^5}N$$

$$7.0 \times {10^5}N$$

$$14.0 \times {10^5}N$$

$$1.75 \times {10^5}N$$

AIEEE 2003

MCQ (Single Correct Answer)

-1

A light spring balance hangs from the hook of the other light spring balance and a block of mass $$M$$ $$kg$$ hangs from the former one. Then the true statement about the scale reading is

Both the scales read $$M$$ $$kg$$ each

The scale of the lower one reads $$M$$ $$kg$$ and of the upper one zero

The reading of the two scales can be anything but the sum of the reading will be $$M$$ $$kg$$

Both the scales read $$M/2$$ $$kg$$ each

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