1
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10 N throughout the motion. The ratio of time of ascent to the time of descent will be equal to : [Use g = 10 ms$$-$$2].

A
1 : 1
B
$$\sqrt 2 $$ : $$\sqrt 3 $$
C
$$\sqrt 3 $$ : $$\sqrt 2 $$
D
2 : 3
2
JEE Main 2022 (Online) 24th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A block of mass 10 kg starts sliding on a surface with an initial velocity of 9.8 ms$$-$$1. The coefficient of friction between the surface and block is 0.5. The distance covered by the block before coming to rest is :

[use g = 9.8 ms$$-$$2]

A
4.9 m
B
9.8 m
C
12.5 m
D
19.6 m
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
A block of mass m slides on the wooden wedge, which in turn slides backward on the horizontal surface. The acceleration of the block with respect to the wedge is : Given m = 8 kg, M = 16 kg Assume all the surfaces shown in the figure to be frictionless.

JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 67 English
A
$${4 \over 3}g$$
B
$${6 \over 5}g$$
C
$${3 \over 5}g$$
D
$${2 \over 3}g$$
4
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
An object of mass 'm' is being moved with a constant velocity under the action of an applied force of 2N along a frictionless surface with following surface profile.

JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 66 English
The correct applied force vs distance graph will be :
A
JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 66 English Option 1
B
JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 66 English Option 2
C
JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 66 English Option 3
D
JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 66 English Option 4
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