My Report

Physics – Class 11 Mock Test 3


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. A car moving around a tree has the distance from the tree defined as r = 5t2 + 7. What is the magnitude of the centripetal acceleration at t = 2s, if the angular velocity is 2 rad/s.

Question 1 of 10

Question 2 of 10

2. Two forces act on a body. One of them is 7î - 13ĵ. What is the value of the other force?

Question 2 of 10

Question 3 of 10

3. A body having 7 kg of mass moves slowly and covers a vertical height of 14 m. What is the work done in Joules and what force causes this work? Take g = 10 m/s2.

Question 3 of 10

Question 4 of 10

4. The total energy of a system moving under the action of a conservative force changes by 50 J. Which of the following statements are correct with regards to the amount of work done?

Question 4 of 10

Question 5 of 10

5. A driver hits a light pole with a force a 100 N. What force does the car experience?

Question 5 of 10

Question 6 of 10

6. Inertia is _____

Question 6 of 10

Question 7 of 10

7. A stone tie with a string held at one end is being rotated at a constant angular velocity in the air. The tangential velocity will remain constant if _______

Question 7 of 10

Question 8 of 10

8. A variable mass body with an initial mass of 10 kg is moving with a velocity of 7 m/s initially, after some time the velocity increases to 14 m/s, what is the new mass if the body is moving in the absence of any external force?

Question 8 of 10

Question 9 of 10

9. Energy involved in creating work _____

Question 9 of 10

Question 10 of 10

10. Two forces act on a ball. One of the forces is positive and acts towards right, the other one acts towards left and is ______

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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