A block and tackle pulley system, such as the one below, multiplies the effort force that is put into the system. By how much would the block and tackle system below mulitply the effort force?

Select the correct answer, Based on the law of conservation of energy, which statement is false?

What use net force and acceleration of a ball of mass 0.750 kilograms that is subjected to forces of 11.00 Newton's and 7.00 Newton's from opposite directions?

What is similar and different about ionic and covalent bonds?

What is stronger, gravity or strong nuclear force?

Hows does the world spin and we cant feel it

Which reaction obeys the law of conservation of mass?

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.