What has to happen for a force to do work on an object?

Put the following elements in order of electronegativity, with the element with the highest electronegativity at the top of your list. Aluminum (Al) Fluorine (F) Carbon (C) Oxygen (O) Magnesium (Mg) Potassium (K) Francium (Fr)

The amount of force exerted on a given area is called what

A jack for a car requires a force of 120 lbs to lift a 3,000 lb car. what is the ratio of the cars weight to the force required to lift the car?

What force is required to accelerate a block of mass 4 kg at 2m/s2 on a surface which has a frictional force of 2N.

The advantage of a synchronous orbit is that the satellite can: fly over the entire earth transmit over the entire earth receive continuous signals from a ground transmitter all of the above

Which of the following contains both protons and neutrons? a. outer shell b. nucleus c. covalent bond d. ionic bond

Density is a property of matter that relates

A main sequence star cools and expands. It must be entering which stage? A. white dwarf B. black dwarf C. red giant D. neutron star ... ?

Question 1: A man trailing a trolley bag and suddenly, the wheels of the trolley bag get locked. The man realises that he has to put extra effort to drag the bag. The man finds it difficult to drag the bag because

A body is thrown up with a velocity of u ... it reaches maximum height of h ... if its velocity is doubled the maximum height it reaches is?