4. There will be a change in the speed or in the direction of motion of a body when it is acted upon by a. Balanced force c. unbalanced force
b. Uniform forced. D. zero force

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?