1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
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 113 English
A
$$20N$$
B
$$50N$$
C
$$100N$$
D
$$2N$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A
$$g,g$$
B
$$g-a, g-a$$
C
$$g-a, g$$
D
$$a, g$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A
$${F_1}/m$$
B
$${F_2}{F_3}/m{F_1}$$
C
$$\left( {F{}_2 - {F_3}} \right)/m$$
D
$${F_2}/m$$
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Two forces are such that the sum of their magnitudes is $$18$$ $$N$$ and their resultant is $$12$$ $$N$$ which is perpendicular to the smaller force. Then the magnitudes of the forces are
A
$$12N,$$ $$6N$$
B
$$13N,$$ $$5N$$
C
$$10N,$$ $$8N$$
D
$$16N$$, $$2N.$$
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