Energy, Force and Motion

This cartoon shows that to move an object with more mass, you need to apply more ________.

• friction

• speed

• force

• momentum

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Jackie uses a parachute in an egg-drop competition. What force is she trying to overcome?

• friction

• magnetism

• wind

• gravity

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If an object is 'at rest' all the forces acting on the object must be _______.

• unbalanced

• strong

• weak

• balanced

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Which force slows down and can stop a moving object?

• friction

• attract or repel

• push or pull

• gravity

If the two forces acting on a race car are unbalanced, what must the car be doing?

• stopping

• moving

• turning

• resting

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The pull between some metal objects and a

magnet is a force called __________.

• friction

• magnetism

• attracting

• repelling

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What is the name of the force that works against the motion of an object, slowing it down, or stopping?

• push

• pull

• gravity

• friction

What is the unit of force in the International System of Units (SI)?

• Newton

• Joule

• Watt

• Pascal

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Which of the following is an example of kinetic energy?

• A stretched bow

• A moving car

• A charged battery

• A compressed spring

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What is the formula for calculating work done when a force is applied?

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