Motion - Interpret and apply Newton's three laws of motion.
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Q 1/8
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A block is moving to the left along a frictionless surface. Draw a free body diagram for this situation. All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
60
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Q 2/8
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A box is being pulled to the right along a rough surface with an increasing velocity. Draw a free body diagram for this situation. All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
60
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8 questions
Q.
A block is moving to the left along a frictionless surface. Draw a free body diagram for this situation. All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
1
60 sec
SC.912.P.12.3
Q.
A box is being pulled to the right along a rough surface with an increasing velocity. Draw a free body diagram for this situation. All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
2
60 sec
SC.912.P.12.3
Q.
A ball is thrown horizontally from the top of a tall tower. Draw a free body diagram for when the ball is 2 seconds into the fall (still in the air). All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
3
60 sec
SC.912.P.12.3
Q.
A box is being pulled to the left along a frictionless surface. All forces must be labeled correctly and have the correct relative length. The picture must be submitted to receive credit for this question. (5pts)
4
60 sec
SC.912.P.12.3
Q.
A 20kg box is being pulled upwards by a rope with an increasing velocity. What is the tension in the rope if the acceleration of the box is 0.1m/s/s? Your answer and work must be submitted to receive credit for this question. All work/explanations must be shown. (10 pts)
5
60 sec
SC.912.P.12.3
Q.
Which of the following is a reaction to the following action: A person stands next to a wall and pushes on it with a force of 85N. Your answer must be submitted at the end. (5 pts)
6
60 sec
SC.912.P.12.3
Q.
A 15kg box is being accelerated to the right at a rate of 1.25m/s/s by a 45N force. What is the coefficient of kinetic friction between the box and the ground? Your answer and work must be submitted to receive credit for this question. All work and explanations must be shown. (10 pts)
7
300 sec
SC.912.P.12.3
Q.
A rocket way out in deep space far away from anything (gravitational forces are negligible) uses its boosters to reach some velocity. What will happen velocity of the rocket as soon as the boosters turn off. Explain. Submit your answer and explanation to receive credit for this question. (5pts)
