Physics The function of ball bearings in a wheel is : Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Square of the semi-major axis Fourth power of the semi-major axis Semi-major axis Cube of the semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Semi-major axis Cube of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Sink but will not go to the bottom Float Sink and go to the bottom Burst Sink but will not go to the bottom Float Sink and go to the bottom Burst ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Opthalmoscope Reflector for head light Rear view mirror Solar cookers Opthalmoscope Reflector for head light Rear view mirror Solar cookers ANSWER DOWNLOAD EXAMIANS APP
Physics For an object, the state of rest is considered to be the state of ________ speed. Increasing Decrease Zero Inverse Increasing Decrease Zero Inverse ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement depends on gravitational force? Weight Height All of these Mass Weight Height All of these Mass ANSWER DOWNLOAD EXAMIANS APP