Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, ...

This means that a 1 kg mass would be attracted to Earth by a force of 10 N. The weight of the student is 450 N. This is calculated by multiplying their mass by the gravitational field strength.

Historians say Donald Trump's plan for mass deportations echos calls to drive out immigrants during the 1930s and the 1950s.

The Earth’s gravitational field strength (g) is 10 N/kg. This means that for each kg of mass, an object will experience 10 N of force.

matter makes up less than 5 percent of the mass of the universe. The rest of the universe appears to be made of a mysterious, invisible substance called dark matter (25 percent) and a force that ...

U.S. News // 4 hours ago Trump pardons Jan. 6 defendants, signs executive orders to secure U.S.-Mexico border Jan. 20 (UPI) -- President Donald Trump issued a mass pardon Monday of all defendants ...