5. Suppose the mechanical advantage of a machine is 4, and the input force is 20 N. What is the output force?

A. 5 N

B. 16 N

C. 80 N

D. 24 N

Which best describes the weak nuclear force? It maintains attraction between the molecules in liquids. It attracts the nucleus of one atom to the nucleus of another atom. It pulls all matter in the universe together.

A car advertisement claims their car can go from a stopped position to moving 60 miles per hour in 5 seconds. The advertisement is describing the car's

What two things can happen in the life of a massive star after it passes from the supernova stage?

A 20000 kg rocket has a rocket motor that generates 3.0*105 n of thrust. part a what is the rocket's initial upward acceleration?

Which of the following scenarios will cause the current to stop flowing within a circuit? A. The switch within the closed circuit is opened. B. Insulating materials within the circuit are replaced with conducting materials. C. The circuit is closed.

Newton's Second law of Motion (F = ma) is one of the basis of forces and motion. How is it very similar to his First law and why is finding the acceleration of the system (the main reason we use it) so important to solving physics and real world

You find out that it takes 2 sec. for the swing to complete one cycle. what is the swing's period and frequency?

Can you chemical change or alter DNA

Give an example in which velocity is zero yet acceleration is not.

A 2,537-kg truck moving at 14 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together at 8 m/s. What was the mass (in kg) of the struck car