6. Which of the following exerts a small but measurable effect on the period of a real clock pendulum? X: The amplitude of the pendulum swing. Y: The temperature. Z: […]
Blog
Ant Maximum Force on Rotating Platform Physics
5. You wish to measure how tightly an ant can hold on to its substrate. You place an ant of mass 10 mg on a round, rotating platform at a […]
180° Rotation X-Axis Y-Axis Equivalent in Right-Handed Cartesian Frame
4. In a right-handed Cartesian frame of reference a 180° rotation about the X-axis followed by a 180° rotation about the Y-axis is equivalent to a. an inversion operation through […]
Acceleration Due to Gravity in 2000 km Deep Mine
3. Assuming the earth is made of matter of uniform density and has radius 8000 km, the acceleration due to gravity in a 2000 km deep mine would be: a. […]
Minimum Number of Unequal Non-Zero Vectors for Zero Resultant
2. The minimum number of unequal non-zero length vectors which can add up to give a zero resultant is a. two b. three c. four d. five Correct Answer: Option […]
Same Force Same Time Different Masses
1. Two objects are acted upon by the same force for the same amount of time. At that point, even though the objects have different masses, they will have the […]
Sum of Timer Durations Significant Figures
15. You obtain the durations of 3 sequential events using three different timers, as 1.63 seconds, 2.6 seconds and 3.558 seconds respectively. The combined duration of these events is the […]
Sign and Unit Place Digit of (−9)^99
14. The sign and unit place digit of (−9)99 are, respectively: a. Negative, 9 b. Negative, 1 c. Positive, 9 d. Not possible to determine without calculating the full number The […]
Why SIM Cards Have a Diagonal Cut
13. This is a schematic image of a mobile phone SIM card. What is the function of the diagonal cut on the left side? a. To serve as an electrical […]
How Many Liked Raspberries and Blueberries But Not Strawberries?
12. In a survey 96 people liked strawberries, 98 liked raspberries, and 120 liked blueberries; 18 people liked only strawberries, 20 liked only raspberries, and 24 liked only blueberries; 38 […]


