How much force is required in newtons to accelerate a 10-kg bicycle along with its 60-kg rider at 2.5 m\s2

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

What is the magnitude of the gravitational force acting on the earth due to the sun?