My Report

Engineering Physics I Practice Test 2


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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1. The earth moving around the sun in a circular orbit is acted upon by a force and hence work must be done on the earth by the force.

2. The point where whole weight may be assumed to act is called ___________

3. A person is standing in an elevator. In which situation he finds his weightless?

4. A satellite revolves very near to the earth surface. Its speed should be around?

5. When a massive body collides against a light body at rest ___________

6. A particle of mass 100g is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is ___________

7. If a ladder weighing 250N is placed against a smooth vertical wall having a coefficient of friction between it and floor 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor?

8. In a thermal power station, coal is used for the generation of electricity. How energy changes from one form to another before it is transformed into electrical energy?

9. When a spring is compressed or stretched, the potential energy of the spring ___________

10. Internal force holds together the particles as a single object.


 

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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