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4
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It is something that measures weight which is sometimes called a spring-balance
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5
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This is a force that slows the movement of an object due to rough surfaces
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7
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The type of drag when an object moves through air
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9
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This is a force that pulls something to Earth
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10
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These are often applied to reduce friction e.g. oil
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11
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This shape helps air to pass over and below an object smoothly
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1
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It is created by a planes engines to move it forward
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2
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A boat floats because this force is acting on the weight of the boat
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3
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This is when you are moving down at a steady speed
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6
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This is the downward force acting on a mass and is caused by gravity
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8
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What are forces mesured by?
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12
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It is the amount of matter in an object. It is also the same where ever you go
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13
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It is an opposing force caused by friction between the liquid or gas and the surface of an object
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