Problem: (a) Which direction best approximates the direction of  when the object is at position 1?A. straight upB. downward to the leftC. downward to the rightD. straight down(b) Which direction best approximates the direction of  when the object is at position 2?A. straight upB. upward to the rightC. straight downD. downward to the left(c) Which direction best approximates the direction of  when the object is at position 3?A. upward to the rightB. to the rightC. straight downD. downward to the right

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(a) At 1, the ball is acted on by gravity, acting downward, and the (much smaller) normal force from the slope, acting slightly up and to the right. The net force acts downward to the right, and the force and acceleration must be in the same direction.

C. downward to the right

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Problem Details

(a) Which direction best approximates the direction of a_vec when the object is at position 1?

A. straight up
B. downward to the left
C. downward to the right
D. straight down

(b) Which direction best approximates the direction of a_vec when the object is at position 2?

A. straight up
B. upward to the right
C. straight down
D. downward to the left

(c) Which direction best approximates the direction of a_vec when the object is at position 3?

A. upward to the right
B. to the right
C. straight down
D. downward to the right

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