When a bus is accelerating, it must be 

The friction due to air mass can be reduced by 

A wheelbarrow inclined at 60º to the horizontal is pushed with a force of 150N. What is the horizontal component of the applied force

The moon's acceleration due to gravity is \(\frac{1}{6}\) of the earth's value. The weight of a bowling ball on the moon would be

A body is whirled in a horizontal circle at the rate of 800 revolutions per minute. Determine the angular velocity