What output force is generated when an input force of 630 n is applied to a machine with a mechanical advantage of 3

Forces always act in pairs. True False

How is temperature related to kinetic energy

What is the hybridization of phosphorus in each of the molecules or ions?

Which condition in a nebula would prevent nuclear fusion?

The game was played by swinging the big mallet down hard enough to cause the bell to ring. If it took a 44 newton force to ring the bell, and George got it to go only 75% of the way up, how many newtons of force did George exert with the mallet on

Which process causes wells on land to become saline, making them unusable for drinking water? A. Erosion B. Echo sounding C. Eutrophication D. Groundwater infiltration

A farmer uses a tractor to pull a 150 kg bale of hay up a 15∘ incline to the barn at a steady 5.0 km/h. The coefficient of kinetic friction between the bale and the ramp is 0.40. Part A What is the tractor's power output?

Identify the conditions for an elastic collision in a closed system. Check all that apply. Energy is conserved. Velocities may change. Momentum is conserved. Kinetic energy is conserved. Objects stick together after the elastic collision.

When the velocity of a mass on a spring is zero, the acceleration is at

Which is a disadvantage of using wind as an energy source? Check all that apply. It may be unreliable. It is not naturally occurring. It produces a lot of waste. It requires wires to carry electricity. It generates large amounts of electricity.