9284501
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 7 años
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Pregunta 1
Pregunta
Some of the forces acting on this boat are shown by the arrows X, Y and Z.
Which choice names all 3 forces correctly?
Respuesta
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Force X = weight, Force Y = upthrust; Force Z = forward force
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Force X = forward force, Force Y = weight; Force Z = upthrust
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Force X = forward force; Force Y = upthrust ; Force Z = weight
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Force X = upthrust; Force Y = forward force; Force Z = weight
Pregunta 2
Pregunta
What is the name of the force shown by the arrow in this picture?
Image:
Upthrust On Duck (image/png)
Respuesta
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friction
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gravity
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upthrust
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weight
Pregunta 3
Pregunta
This is a diagram of a moving object. The arrows show the forces acting on it.
In which direction is the object moving?
Image:
Forces A B C & D (image/png)
Respuesta
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A
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B
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C
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D
Pregunta 4
Pregunta
The forces on this parachutist are balanced.
When the forces are balanced, the parachutist will:
Respuesta
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change direction.
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slow down.
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stay at the same speed.
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go faster.
Pregunta 5
Pregunta
James was walking his dog on a lead.
If James and the dog are walking at a steady speed, in a straight line then which sentence is true?
Respuesta
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The pull from the dog on the lead is balanced by the pull from James.
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Only James pulls on the lead.
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The pull from the dog on the lead is smaller than the pull from James.
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Only the dog pulls on the lead.
Pregunta 6
Pregunta
Which of the following statements about friction is true?
Respuesta
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It only occurs between solids.
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It makes surfaces colder.
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It only occurs on rough surfaces.
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It only occurs when surfaces touch each other.
Pregunta 7
Pregunta
Weight is a force that is caused by:
Respuesta
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friction.
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gravity.
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space.
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upthrust.
Pregunta 8
Respuesta
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10 N
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3 N
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0 N
Pregunta 9
Pregunta
The unit of force can be represented by:
Respuesta
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f
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g
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J
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N
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