AIEEE 2003 | Laws of Motion Question 133 | Physics

A block of mass $$M$$ is pulled along a horizontal frictionless surface by a rope of mass $$m.$$ If a force $$P$$ is applied at the free end of the rope, the force exerted by the rope on the block is

$${{Pm} \over {M + m}}$$

$${{Pm} \over {M - m}}$$

$$P$$

$${{PM} \over {M + m}}$$

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

AIEEE 2002

MCQ (Single Correct Answer)

-1

When forces $${F_1},\,\,{F_2},\,\,{F_3}$$ are acting on a particle of mass $$m$$ such that $${F_2}$$ and $${F_3}$$ are mutually perpendicular, then the particle remains stationary. If the force $${F_1}$$ is now removed then the acceleration of the particle is

$${F_1}/m$$

$${F_2}{F_3}/m{F_1}$$

$$\left( {F{}_2 - {F_3}} \right)/m$$

$${F_2}/m$$

AIEEE 2002

MCQ (Single Correct Answer)

-1

A lift is moving down with acceleration $$a.$$ A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively

$$g,g$$

$$g-a, g-a$$

$$g-a, g$$

$$a, g$$

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