Force and Motion II Vocab.

What is a machine with few moving parts that makes it easier to do work?

• Complex Machine

• Simple Machine

• Electric Machine

• Hydraulic Machine

Which simple machine consists of a rope that fits into a groove in a wheel?

• Lever

• Pulley

• Wedge

• Screw

What is the term for two or more forces that are not equal and opposite of one another, causing a change in motion?

• Balanced Force

• Unbalanced Force

• Potential Energy

• Kinetic Energy

What is the term for two forces acting in opposite directions on an object and are equal in size, resulting in no motion?

• Balanced Force

• Unbalanced Force

• Potential Energy

• Kinetic Energy

What type of energy is stored energy?

• Kinetic Energy

• Potential Energy

• Mechanical Energy

• Thermal Energy

What type of energy is due to motion?

• Potential Energy

• Kinetic Energy

• Chemical Energy

• Electrical Energy

What is the term for the distance an object travels per unit of time?

• Velocity

• Acceleration

• Speed

• Momentum

Which of the following is NOT a type of simple machine?

• Lever

• Pulley

• Wheel and Axle

• Motor