1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A man weighs $80$ kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $6 \text{ m/s}^2$. What would be his weight in kg? ($g = 10 \text{ m/s}^2$)
A
Zero
B
$48$ kg
C
$120$ kg
D
$128$ kg
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Two bodies with kinetic energies in the ratio of $3:1$ are moving with equal linear momentum. The ratio of their masses is
A
$1:4$
B
$1:3$
C
$1:2$
D
$1:1$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
If the earth were to suddenly contract to half of its present radius, what would be the duration of the day?
A
$6$ h
B
$18$ h
C
$24$ h
D
$30$ h
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The angular momentum of a moving body remains constant, if
A
net external force is applied
B
net pressure is applied
C
net external torque is applied
D
net external torque is not applied