The uniform 60-kg crate c rests uniformly on a 10-kg dolly d. if the front casters of the dolly at a are locked to prevent rolling while the casters at b are free to roll, determine the maximum force p that may be applied without causing motion of the crate. the coefficient of static friction between the casters and the floor is μf=0.35 and between the dolly and the crate, μd=0.5.

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves