A 50 kg crate is pulled across the ice by a rope that is angled at 30 degrees above the horizontal. If the tension in the rope is 100 newtons, what is the magnitude of the "lifting" and "pulling" components of the force in the rope?

A perfectly still 0.01 kg marble is hit with a force of 50 N by a pencil. According to Newton's third law, which describes the force the marble exerts on the pencil? A. The marble exerts a force of 0.05 N on the pencil. B.

A 90-kg ceiling light is suspended 4 m above the floor. What is its gravitational potential energy?

How much energy is required to vaporize 234.5 g of water

What change in volume results if 0.06 L of gas is cooled from 33.0 C to 5.00 C?

Listed below are characteristics and effects of the four fundamental forces: gravity, electromagnetism, the strong force, and the weak force. Match each item to the correct fundamental force. Drag the appropriate items to their respective bins.

Which of the following is the most accurate description of the relationship between velocity and acceleration? A. Velocity and acceleration are the same thing. B. Velocity is a type of acceleration. C. Acceleration is a change in velocity. D.

The force needed to move an object 14 meters with 83 joules of work is what?

What is the relationship between fossil fuels and energy? A. Fossil fuels are a form of mechanical energy. B. Fossil fuels are a form of chemical energy. C. Fossil fuels are a form of geothermal energy. D. Fossil fuels are a form of nuclear energy.

A horizontal piston-cylinder compresses adiabatically 1 mol of propane gas, initially at 350 K, from 0.04 to 0.01 m3.

One problem for humans living in outer space is that they are apparently weightless. One way around this problem is to design a space station that spins about its center at a constant rate.