A force of 100 N is applied to a crate at an angle of 60° to the horizontal surface. The force causes the crate to move 2 m across the floor. How much work is done on the crate?

Work is the component of the force in the direction of motion multiplied by the distance: W = Fd cos θ. Here, W = 100 N × 2 m × cos 60° = 200 × 0.5 = 100 J, so the correct choice is 100 J.

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