1
IIT-JEE 1984
True or False
+2
-0
A simple pendulum with a bob of mass m swings with an angular amplitude of $$40^\circ $$. When its angular displacement is $$20^\circ $$, the tension in the string is greater than mg cos$$20^\circ $$.
A
TRUE
B
FALSE
2
IIT-JEE 1981
True or False
+2
-0
When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.
A
TRUE
B
FALSE
3
IIT-JEE 1980
True or False
+1
-0
A rocket moves forward by pushing the surrounding air backwards.
A
TRUE
B
FALSE
JEE Advanced Subjects
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Medical
NEET
Graduate Aptitude Test in Engineering
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Class 12