Friction between solids can be most accurately defined as the force that opposes the sliding motion of two surfaces that are touching each other.

True or false

What types of substances tend to be acidic

How do you add 2 vectors

A grocery cart with a mass of 16 kg is pushed at constant speed along an aisle by a force fp = 12 n which acts at an angle of 17° below the horizontal. find the work done by each of the forces on the cart if the aisle is 13 m long.

Technician A says that the PCV system should create a slight positive pressure in the crankcase at idle. Technician B says that the PCV system should create a slight vacuum in the crankcase at 2,500 RPM. Which technician is correct? A.

Perfect Elastic Collisions 4. The mass of ball A is 10 kilograms and the mass of ball B is 5 kilograms.

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, while that of the vacuum cleaner is 5.7 A. Determine the power consumed by (a) the blow-dryer and (b) the vacuum cleaner.