A 2000 kg truck moving at a speed of 25 m/s runs into a barrier. If it takes the truck 1.5 seconds to come to a complete stop, what is the magnitude of the force exerted on the truck during the collision?

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

70 give a real life example showing how sensory neurons work with the motor neurons