Answer:
RIGHT
Explanation:
given,
mass of box = 250 kg
speed of the truck = 25 m/s
static friction µs = 0.7
g = 10 m/s²
to find direction of friction on the box
truck is moving in left direction and suddenly in front of truck a car stops then the driver hit the brake hard so at that moment the box on the trailer will have the tendency to move left so to oppose its movement friction force will be on RIGHT
A screwdriver would be your answer
Because the common are:
<span>The Lever, Wheel & Axle, Inclined Plane,Wedge, Pulley, and S<span>crew</span></span>
When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.
Answer: Pumping groundwater faster than it can recharge can lead to dry wells, especially during droughts.
Answer:
3Nm
Explanation:
work = 0.5 x 12 x 0.5 = 3