POE Semester 1 Review - NEW CURRICULUM

Front

Which step of the Engineering Design Process includes detailed sketches? Options: Define Problem, Generate Concepts, Develop a Soultion, Construct Prototype

Back

Develop a Soultion

Front

What is the mechanical advantage of this system? Options: 3.46:1, 2:1, 1:2, 1.73:1

Back

2:1

Front

A construction worker uses a board and log as a lever to lift a heavy rock. If the input arm is 3 meters long and the output arm is 0.75 meters long, what is the mechanical advantage of the lever?

Back

4

Front

What is the difference between Ideal Mechanical Advantage and Actual Mechanical Advantage?

Back

AMA takes into account the friction acting on the object.

Front

If a person lifts a 150 Newton ball 1.5m in 17 seconds, how much work did he complete?

Back

225 Joules

Front

What unit do we use for measuring Power?

Back

Watts

Front

What is the IMA of a pulley system with a single rope and 8 strands opposing a load weighing 800lbs?

Back

8

Front

What is the IMA of the wedge in this picture? The 30m is referring to the hypotenuse of the triangle on the wedge.

Back

5.98:1

Front

There are _____ simple machines

Back

6

Front

Simple machines help us by changing the magnitude or direction of the _____

Back

Force