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Force, Pressure, and Buoyancy<br />Review 7<br />
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Force, Pressure, and Buoyancy 1<br />What is the net force acting on the object?<br />5 N to the right<br />5 N to the left <br />20 N to the left <br />35 N to the right <br />
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Force, Pressure, and Buoyancy 1<br />What is the net force acting on the object?<br />5 N to the right<br />5 N to the left <br />20 N to the left <br />35 N to the right <br />
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Force, Pressure, and Buoyancy 2<br />What is the net force acting on the object?<br />50 N downward <br />2000 N downward <br />50 N upward <br />2050 N upward <br />
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Force, Pressure, and Buoyancy 2<br />What is the net force acting on the object?<br />50 N downward <br />2000 N downward <br />50 N upward <br />2050 N upward <br />
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Force, Pressure, and Buoyancy 3<br />A plant sits on a table that is outside. A strong wind blows from the right, but the plant does not move. Which of the following correctly identifies two of the four forces acting on the plant?<br />Z is friction and X is the force from the wind <br />W is friction and Y is gravity<br />Z is the force from the wind and W is friction <br />Y is gravity and Z is the force from the wind<br />
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Force, Pressure, and Buoyancy 3<br />A plant sits on a table that is outside. A strong wind blows from the right, but the plant does not move. Which of the following correctly identifies two of the four forces acting on the plant?<br />Z is friction and X is the force from the wind <br />W is friction and Y is gravity<br />Z is the force from the wind and W is friction <br />Y is gravity and Z is the force from the wind<br />
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Force, Pressure, and Buoyancy 4<br />In which situation are the forces acting on the object unbalanced?<br />A tricycle moves in a straight line at a constant speed of 3m/s<br />A car turns a corner at a constant speed of 25 m/s<br />A hot air balloon descends at a constant speed of 2m/s<br />A man stands on a moving sidewalk moving at a constant speed of 1.5 m/s <br />
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Force, Pressure, and Buoyancy 4<br />In which situation are the forces acting on the object unbalanced?<br />A tricycle moves in a straight line at a constant speed of 3m/s<br />A car turns a corner at a constant speed of 25 m/s<br />A hot air balloon descends at a constant speed of 2m/s<br />A man stands on a moving sidewalk moving at a constant speed of 1.5 m/s <br />
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Force, Pressure, and Buoyancy 5<br />The table lists the masses of four objects at rest. Put the objects in order from the object needing the least force to the object needing the most force to be moved. <br />X, Z, W, Y <br />Y, W, Z, X<br />W, Y, X, Z <br />Z, X, Y, W <br />
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Force, Pressure, and Buoyancy 5<br />The table lists the masses of four objects at rest. Put the objects in order from the object needing the least force to the object needing the most force to be moved. <br />X, Z, W, Y <br />Y, W, Z, X<br />W, Y, X, Z <br />Z, X, Y, W <br />
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Force, Pressure, and Buoyancy 6<br />Gravity is responsible for producing the shapes of all of the following objects, except<br />Planets <br />Stars <br />Solar systems <br />Atoms <br />
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Force, Pressure, and Buoyancy 6<br />Gravity is responsible for producing the shapes of all of the following objects, except<br />Planets <br />Stars <br />Solar systems <br />Atoms <br />
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Force, Pressure, and Buoyancy 7<br /> A piece of wood floats on the surface of a lake because the water exerts <br />An upward force equal to the weight of the wood <br />A downward force equal to the weight of the wood <br />An upward force equal to the weight of the displacement water <br />A downward force equal to the weight of the displacement water <br />
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Force, Pressure, and Buoyancy 7<br /> A piece of wood floats on the surface of a lake because the water exerts <br />An upward force equal to the weight of the wood <br />A downward force equal to the weight of the wood <br />An upward force equal to the weight of the displacement water <br />A downward force equal to the weight of the displacement water <br />
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Force, Pressure, and Buoyancy 8<br /> A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity. When these two forces are equal in magnitude, the ball will <br />Flatten due to the forces <br />Fall at a constant speed <br />Continue to speed up <br />Slow to a stop <br />
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Force, Pressure, and Buoyancy 8<br /> A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity. When these two forces are equal in magnitude, the ball will <br />Flatten due to the forces <br />Fall at a constant speed <br />Continue to speed up <br />Slow to a stop <br />
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Force, Pressure, and Buoyancy 9<br /> A spring scale is pulled downward and readings are recorded. If the spring is pulled to 3.5 cm, the spring scale should read <br />12 N<br />13 N <br />14 N <br />15 N <br />
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Force, Pressure, and Buoyancy 9<br /> A spring scale is pulled downward and readings are recorded. If the spring is pulled to 3.5 cm, the spring scale should read <br />12 N<br />13 N <br />14 N <br />15 N <br />
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Force, Pressure, and Buoyancy 10<br /> A force is acting on each of the objects below. What can be concluded about these forces? <br />They are the same because they point towards an object <br />They are the same because they have the same magnitude<br />They are different because they have different magnitudes<br />They are different because they have different directions<br />
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Force, Pressure, and Buoyancy 10<br /> A force is acting on each of the objects below. What can be concluded about these forces? <br />They are the same because they point towards an object <br />They are the same because they have the same magnitude<br />They are different because they have different magnitudes<br />They are different because they have different directions<br />
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Force, Pressure, and Buoyancy 11<br /> Which direction will the object move and with how much force? <br />10 N to the left <br />10 N to the right <br />7 N to the left <br />7 N to the right <br />
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Force, Pressure, and Buoyancy 11<br /> Which direction will the object move and with how much force? <br />10 N to the left <br />10 N to the right <br />7 N to the left <br />7 N to the right <br />
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Force, Pressure, and Buoyancy 12<br /> This box will increase in speed <br />Upward and to the left <br />Downward and to the left <br />Upward and to the right <br />Downward and to the right<br />
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Force, Pressure, and Buoyancy 12<br /> This box will increase in speed <br />Upward and to the left <br />Downward and to the left <br />Upward and to the right <br />Downward and to the right<br />
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