Multiple Choice: Forces, Dynamics and MechanicsQ1. What is the gravitational field strength at the Earth's surface?
Q2. Cog X has 16 teeth and cog Y has 8 teeth. Cog X is turned around two times. How many times does cog Y turn around?
Q3. What is the smallest number of forces needed to bend an object?
Q4. The diagram shows the relationship between force and extension for a spring. Which letter on the graph shows the elastic limit of the spring being stretched?
Q5. An object travelled 800m in 40 seconds. What is the speed of the object?
Q6. An object moved 20cm with a force of 20N. Calculate the work done in moving the object.
Q7. In which of the following situations does the force cause a rotation?
Q8. Which of the following is a scalar quantity?
Q9. Which distances are the same?
Q10. A student puts different weights on four balances. Which balance will give a clockwise moment?
|
Follow me...
|