Forces and Motion

Force is:

• pushing

• pulling

• Measured in Newtons

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Which of the following is a non-contact force?

• Contact

• Gravitational

• Friction

• Normal force

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Which picture and description show balanced forces?

• Net force is 0.

  Forces on both sides cancel out.

• One force is stronger than another.

• 
• 

What are force and net force measured in?

• Grams

• Ounces

• Newtons

• Dollars

Which term relates to speed and direction?

• Velocity

• Acceleration

• Speed

• Inertia

Which of the following means change in velocity over time?

• Speed

• Acceleration

• Velocity

• Force

Which is not true about gravity?

• It is the reason things fall down.

• It is a non-contact force.

• Objects do not need to touch to be affected by gravity.

• It is a contact force.

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What is true about friction?

• when two surfaces come into contact

• different objects have different amounts of friction

• It causes a moving object to slow down

• Air resistance is a type of friction

Which of the following is false?

• Larger objects have more air resistance

• Faster objects have more air resistance

• Larger objects have less air resistance

• Slower objects have more air resistance

Which type of force is equal on both sides?

• Balanced

• Gravity

• Unbalanced