3rd Qtr Reviewer

What class of lever is a seesaw?

• 1st class lever

• 2nd class lever

• 3rd class lever

What is an example of potential energy?

• Mechanical

• Sound

• Gravitational

What scenario below best describes how force can change the shape of an object?

• A beautiful flower

• Molding clay

• Smell of the perfume

What kind of force have poles?

• Magnetic Force

• Electrical Force

• Gravitational Force

What kind of force have charges (positive and negative)?

• Magnetic Force

• Electrical Force

• Gravitational Force

What is an example of a contact force?

• Nuclear Force

• Electrical Force

• Applied Force

What is the unit of measurement for energy?

• Kg x m/s³

• Newton

• Joules

What is the unit of measurement for force?

• Kg x m/s³

• Newton

• Joules

What is the formula for finding the weight of an object that has an acceleration due to gravity?

• F = M x A

• W = M x G

• D = M x A

What is the acceleration due to gravity on Earth?

• 9.8 m/s²

• 1.6 m/s²

• 25 m/s²