How can you modify existing furniture, tools or equipment to be more ergonomic?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving