A person is pulling along a 1 kg block with a rope as shown in the diagram below at a constant speed of 0.8 ms -1 .
Which of the following statements is true?

Question

A person is pulling along a 1  kg block with a rope as shown in the diagram below at a constant speed of 0.8 ms -1 .   
 Which of the following statements is true?

Answer

The horizontal component of the force through the rope is equal to the friction force acting on the block

Answer

The person is accelerating to the right at a speed of 0.8 m s -2

Answer

There are no forces acting on the block

Answer

There is a net force to the right of 0.8 N

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A person is pulling along a 1 kg block with a rope as shown in the diagram belo...

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