Think about a motor, how you can stop energy from escaping

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

What is the rate of change in a objects position?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?