Rock 3, because it has the most mass while still moving at the same speed, it is kinetic because there is movement and energy being used
The wires should be attached to each screw on the light not only one
Answer:
The force must he apply to the sled is of F= 764.4 N.
Explanation:
m= 60 kg
g= 9.8 m/s²
μ=0.3
W= m*g
W= 588 N
Fr= μ*W
Fr= 176.4 N
F= W + Fr
F= 764.4 N
Like a seesaw, it shows that the forces aren’t equal because if it was the seesaw would stay put