If the force of gravity changes, what happens to the weight of an object?

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?