Mid-Term Exam on Physics

Which of the following graphs best represents the object’s velocity as a function of time?

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Which of the following graphs best represents the object’s acceleration as a function of time?

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The velocity of an object as a function of time is shown in the graph. Which graph below best represents the net force vs time relationship for this object?

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The diagram depicts a block sliding along a frictionless ramp. The direction of the acceleration of the block, when in the position I, is best represented by which of the arrows in the diagram?

• 1

• 2

• 3

• 4

The diagram depicts a block sliding along a frictionless ramp. The direction of the acceleration of the block, when in position II, is best represented by which of the arrows in the diagram?

• 1

• 3

• 5

• None

The diagram depicts a block sliding along

a frictionless ramp. The direction of the acceleration of the block (after leaving the ramp) at position III, is best represented by which of the arrows in the diagram?

• 2

• 3

• 5

• 6

The diagram depicts a block sliding along a frictionless ramp. The direction of the net force on the block, in position I, is best represented by which of the arrows in the diagram?

• 1

• 2

• 3

• 4

The diagram depicts a block sliding along

a frictionless ramp. At Position III, what is the direction of the net force acting on the block?

• 2

• 3

• 5

• 6

Blocks I and II, each with a mass of 1.0 kg, are hung from the ceiling of an elevator by ropes 1 and 2. What is the force exerted by rope 1 on block I when the elevator is traveling upward at a constant speed of 2.0 m/s?

• 2 N

• 10 N

• 12 N

• 20 N

Blocks I and II, each with a mass of 1.0 kg, are hung from the ceiling of an elevator by ropes 1 and 2. What is the force exerted by rope 1 on block II when the elevator is stationary?

• 2 N

• 10 N

• 12 N

• 20 N