How to calculate magnitude of displacement?

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg