In the swing ride shown above, a rider is spun in a circle. The angle, theta, between the center pole and the chain that connects to the swing is 36° while the rider has a tangential velocity of 7.7 m/s. What is the horizontal distance between the rider and the central pole?

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

What is the difference between mass density and weight density?