NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics: Questions 885  888 of 2320
Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time!
View Sample Explanation or View Features.
Rs. 600.00 or
How to register?
Question number: 885
» Laws of Motion » Force and Inertia
Question
Choose the correct statements 
(1) For equilibrium of a body under the action of concurrent forces
(2) If the downward acceleration of the lift is a = g, then the body will experience weightlessness.
(3) If the downward acceleration of the body is a > g, then the body will rise up to the ceiling of lift
(4) If the downward acceleration of the lift is a > g, then the body will experience weightlessness.
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  1 and 3 are correct  
b.  1,2 and 3 are correct  
c.  1 and 2 are correct  
d.  2 and 4 are correct 
Question number: 886
» Work, Energy and Power » Work Done
Question
A force F = (7  2x + 3x ^{2}) N is applied on a 2 kg mass which displaces it from x = 0 to x = 5 m. Work done in joule is 
Choices
Choice (4)  Response  

a.  135  
b.  35  
c.  70  
d.  270 
Question number: 887
» Laws of Motion » Newton's Law » Newton's Second Law of Motion
Question
Conservation of linear momentum is equivalent to
Choices
Choice (4)  Response  

a.  Newton’s second law of motion  
b.  Newton ‘s third law of motion  
c.  Conservation of angular momentum.  
d.  Newton ‘s first law of motion 
Question number: 888
» Work, Energy and Power » Potential Energy
Question
A body of mass 1 kg initially at rest explodes and breaks into three fragments of masses in the ratio 1: 1: 3. The two pieces of equal mass fly off perpendicular to each other with a speed of 30 m/sec each. What is the velocity of the heavier fragment?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
