Forces and laws of motion
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Question 1 of 8
1. Question
which of the following defines acceleration?
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Question 2 of 8
2. Question
what must change when body is accelerating?
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Question 3 of 8
3. Question
a car is brought to rest in 5 sec from a speed of 10 m/s.
what is the average deceleration of the car?
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Question 4 of 8
4. Question
Calculate the spring constant of a spring which is stretched 4cm by a mass of 200g.
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Question 5 of 8
5. Question
Define the limit of proportionality for a stretched spring.
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 6 of 8
6. Question
A boy drags a suitcase along the ground with a force of 100N. If the frictional force opposing the motion of the suitcase is 50N, what is the resultant forward force on the suitcase?
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Question 7 of 8
7. Question
A block of mass 500g is pulled from rest on a horizontal frictionless bench by a steady force F and reaches a speed of 8m/s in 2s. Calculate:
a the acceleration
b the value of FCorrectIncorrect -
Question 8 of 8
8. Question
which vehicle has an acceleration of 5 m/s 2 ?
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