Which of the following is a vector?

1. distance
2. mass
3. frequency
4. force

When you turn on a battery-operated device, an electrical circuit is

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply