A block slides with constant velocity down a rough inclined plane that makes an angle of 0 with the horizontal . It experiences three forces : gravitational (fg) , normal (FN), and frictional (Ff) which of the following gives the magnitude of the net force on the block A) zero
B) Ff+Fn-Fg
C)Fgcos0-Ff
D)Fg sin0 + Fn cos0 -Ff

What is the measurement of how fast an object moves relative to a reference point?

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.

Acentrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. when switched off, it rotates through 54.0 revolutions before coming to rest. find the constant angular acceleration (in rad/s2) of the centrifuge. your response is within 10% of the correct value. this may be due to roundoff error, or you could have a mistake in your calculation. carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. rad/s2