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

FREE Expert Solution

(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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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Centripetal Forces concept. You can view video lessons to learn Centripetal Forces. Or if you need more Centripetal Forces practice, you can also practice Centripetal Forces practice problems.