Forces, Motion and Energy Revision

If I drop 4 objects of different weights from various heights, which object will experience the highest gravitational force?

• the object with the largest size

• the object with the smallest size

• the object with the largest mass

• the object with the smallest mass

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Which is an example of an unbalanced force?

• a puppy sleeping on the couch

• a poster hanging on the wall

• a jar sitting on a shelf

• a girl shooting a basketball

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What will happen if two friends of the same size and weight get on a seesaw?

• they will move up and down because they are unbalanced

• they will move up and down because they are balanced

• they will not move because they are balanced

• they will move because they are unbalanced

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What is the name of the units that we measure force in?

• Einsteins 
• Newtons
• Kg
• Metres

When two objects rub together, what force do they produce

• Gravity

• Magnetism

• Friction

• Heat

According to Newton’s second law of motion, force is equal to mass times ______________________.

• inertia

• weight

• acceleration

• direction

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"For every action, there is an equal and opposite reaction."

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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The combination of all the forces acting on an object is the...

• net force
• action force
• reaction force
• balance force

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What is Energy?

• The ability to do anything

• The ability to cause change

• The investigation of nature

• A fact of life

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