What is the minimum force required to life a 50-N load with one fixed pulley?'

If you use a stick to push an object, the muscular force acting on it is a non contact force. True or false? Explain

The rebirth of science and learning during the fifteenth century is termed the Renaissance Crusades Middle Ages Industrial Age

Assume you have an ice cube and also a small rock that is the same size and shape as the ice cube. Predict what would happen if you placed the ice cube and rock in a glass of water.

Holiday lights are often connected in series and use special lamps that short out when the potential difference across a lamp increases to the line voltage.

If two vectors a equals to 4 metre per second and b is equals to 7 metre per second be inclined at an angle of 60 degree to each other then determine the direction and magnitude of the resultant

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?

Can an object travel at the speed of light? Why or why not?

It's a hot and sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter than outside. Why is that

Which compound is composed of oppositely charged ions

Sara, who weighs 66 kg, is on a guilt trip after eating a 788-Calorie (788 kcal) breakfast of pancakes loaded with fruits, cream, and syrup. She decides to work out before going to her weekly weight-watchers' meeting.