What is work?
When force is applied over a distance, what is performed?
A box is pushed with a force of 10 N for 5 meters. How much work is done?
What is 50 J?
A simple machine is a device that makes work feel ______.
What is easier?
What is the fixed point around which a lever turns?
An inclined plane is a simple machine consisting of what kind of surface?
What is a sloped surface?
What two quantities are multiplied to calculate work?
A student pushes a cart with 15 N of force for 4 meters. How much work is done?
What is 60 J?
What is the object being moved by a force called?
What is the load
What is the part of the lever that moves or turns around the fulcrum?
What is the beam?
An inclined plane connects a ______ point to a ______ point.
What are low and high?
What is the formula for work?
What is W = F × d?
A dog pulls a sled with 25 N of force for 6 meters. How much work is done?
What is the force applied to move a load called?
What is effort?
In a first-class lever, what is in the middle?
What is the fulcrum?
If the length of an inclined plane increases while its height stays the same, what happens to its steepness?
What is decreases?
What is the unit used to measure work?
What are joules (J)?
A soccer player kicks a ball with 20 N of force, and the ball travels 30 meters. How much work is done?
What is 600 J?
What type of pulley is attached to a surface and has a stationary grooved wheel?
What is a fixed pulley?
In a second-class lever, what is in the middle?
What is the load?
A longer inclined plane requires ______ effort, but the load travels a ______ distance.
What are less effort and greater distance?
A person pushes against a wall with 400 N of force, but the wall does not move. How much work is done?
What is 0 joules?
It takes 20 J of work to push a box 2 meters. What force was used?
Name two real-life examples of fixed pulleys from your notes.
What are flagpoles, window blinds, garage doors, or well buckets?
If the effort arm gets longer, what happens to the amount of force needed to lift the load?
What is decreases?
Two inclined planes have the same height but different lengths. How does the amount of work compare?