Work, Power, and Energy Conceptual

Which of the following angles of force would result to a No Work Done?

• Angular Force

• Horizontal Force

• Obtuse Force

• Perpendicular Force

What is the formula used in order to find work?

•  $Fd\ \cos\theta$  

•  $\frac{W}{t}$  

•  $\frac{1}{2}kx^2$  

•  $\frac{1}{2}mv^2$  

Answer TRUE if the statement is correct. Change the underlined word if not.

Work is a vector quantity.

What is the work done when the direction of the applied force is the same as the direction and the displacement?

• Positive Work

• Negative Work

• No Work Done

• All of the Above

What is the work done when Stacy carried her gift then walked forward to give it to Adrien?

• Positive Work

• Negative Work

• No Work Done

• All of the Above

What is the work done when applied force is opposing the motion just like friction?

• Positive Work

• Negative Work

• No Work Done

• All of the Above

What is the work done when a kid tried to push his father's truck and it didn't move.

• Positive Work

• Negative Work

• No Work Done

• All of the Above

Energy came from the Greek word energos meaning _______.

• Electricity

• Active

• Charge

• Voltage

Energy comes in different forms except?

• Sound

• Radiant

• Nuclear

• None of the Above

It is the energy possessed by bodies that are moving.

• Energy

• Mechanical Energy

• Kinetic Energy

• Potential Energy