What type of force acts on a car moving around a curve?
1). Centrifugal force
2). Cohesive force
3). Centripetal force
4). Gravitational force
1. Which of the following has the lowest frequency?
3. Which planet has the lowest density?
4. Which of the following is a good conductor of heat but a bad conductor of electricity ?
5. Why does a cannon recoil after firing ?
6. Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?
7. ?If the earth were to spin faster, acceleration due to gravity at the poles:
8. The commonly used coolant in refrigerators is