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Question

# Jacob pulls a load up an inclined plane. What forces must Jacob overcome to pull it up? A. Frictional force B. Gravitational force C. Electromagnetic force

A
A and B only
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B
B and C only
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C
C and A only
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D
A, B and C
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Solution

## The correct option is A A and B onlyGravitational force due to earth always acts downwards. If the body is being pulled up an inclined plane, the force of gravity acts in the opposite direction, making it one of the forces to overcome. The force opposing his relative motion along the incline is called frictional force. Therefore, he needs to overcome gravitational and frictional forces to pull the load up the incline.

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