Laws of Motion-Force and Inertia [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 22 - 25 of 102
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Question 22
Question MCQ▾
A body of mass 15 kg moving with a velocity of 10 m/s is to be stopped by a resistive force in 15 sec, the force will be
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 N | |
b. | 10 N | |
c. | 50 N | |
d. | 100 N |
Question 23
Question MCQ▾
In the arrangement shown in fig. the ends P and Q of an un stretchable string move downwards with a uniform speed U. Pulleys A and B are fixed. Mass M moves upwards with a speed of
Choices
Choice (4) | Response | |
---|---|---|
a. | 2U cos θ | |
b. | 2U/cos θ | |
c. | U cos θ | |
d. | U/cos θ |
Question 24
Question MCQ▾
In figure ABCDE is a channel in the vertical plane, part BCDE being circular with radius r. A ball is released from A and slides without friction and without rolling. It vr ″ - complete the loop path when
Choices
Choice (4) | Response | |
---|---|---|
a. | h > 5r/2 | |
b. | h < 2r/5 | |
c. | h < 5 r/2 | |
d. | h > 2r/5 |
Question 25
Question MCQ▾
A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/tc revolutions per second around the vertical axis through the fixed end as Shown in the figure, then tension in the string is
Choices
Choice (4) | Response | |
---|---|---|
a. | 16 ML | |
b. | 5ML | |
c. | 4 ML | |
d. | 2 ML |