Why is the crank on a meat grinder larger than the crank on a pencil

Which of the following describes what happens to the amount of work when using a ramp to move a heavy object? increase decrease stay the same constantly changing

Transparent 5. What is reflection? a. a light wave bounces back after hitting a barrier b. a light wave passes through a different medium, making an object appear bent c.

A group of friends began talking about environmental issues. Every time they got together, they would talk and the group began to divide into sides, one side saying that the environment was in danger, and the other side saying it was not.

If you exert a force of 10.0 n to lift a box a distance of 0.9 m how much work do you do

Distracted driving laws have been put in place due to scientific studies that have shown the dangers associated with wireless technology. DDT. plastics. vaccines.

When a car crashes, do you think its speed can make a difference in the amount of damage done?

An 8000-n car is traveling at 12 m/s along a horizontal road when the brakes are applied. the car skids to a stop in 4.0 s. how much kinetic energy does the car lose in this time?

The graph shows that the molecules in a liquid do not all have the same speed

When the air under the envelope is heated, the balloon lifts. Which of the following statements is true?

A bullet of mass 6.00g is fired horizontally into a wooden block of mass 1.20kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.160.