Which type of friction force acts when there is no motion?

Is the angular size of the moon always big enough to cover up the sun during an eclipse?

Which of the following makes gravity increase? A. The mass of forming objects increases. B. The mass of forming objects decreases. C. The spherical shape of planets provides the momentum needed to increase gravity. D.

Which factor does not usually increase the rate of reaction

Microwave ovens rotate at a rate of about 6 rev/min. what is this in revolutions per second? what is the angular velocity in radians per second

If u accomplished 10,000 newton meters of work how much work did you do in units of joules

Coulomb's Law explains which of the following

Define quark? and its funtions

Suppose a pulley with an IMA of 2 was used with an input force of 50 N to lift a box 45 cm that weighs 100 N. What distance was the rope pulled?

A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 56 rad/s.

The smallest units of matter that normally cannot be broken down are