If the resistance force is 40 Newtons and the effort force is 20 Newtons, what is the mechanical advantage?

The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark. The axis is perpendicular to the screen. A force F acts at the left end; the force is perpendicular to the meter stick and has a magnitude of 175 N.

What happens when a ball colloids with another ball

Explain in terms of Newton's first law why you should never step off a bus or train before it has completely stopped.

What two forces could slow down your marble

A 12.0-g ball is placed in a slingshot with a spring constant of 200 N/m. The ball is stretched back 0.500 m. The slingshot is aimed straight up, then fired. What is the maximum height that the ball will reach? 213 m 106 m 98 m 182 m

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?

Juan is interested in finding out whether hummingbirds are attracted to some flowers more than others. In what order should Juan perform the steps of his experiment?

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.