Xander’s friend Corey has a skateboard that he rides at Newton’s Skate Park. That’s Corey doing a jump in the Figure below. The combined mass of Corey and his skateboard is 60 kg. At the top of his jump, the net force acting on him is 30 Newtons. What is his acceleration at that moment?
Answers
Explanation:
Xander goes airborne on his scooter as he exits a half-pipe at Newton’s Skate Park. How did he gain enough speed in the half-pipe to fly into the air when he got to the top? His increase in speed was due partly to the force of gravity.
Acceleration, Force, and Mass
A change in an object’s motion—such as Xander speeding up on his scooter—is called acceleration. Acceleration occurs whenever an object is acted upon by an unbalanced force. The greater the net force acting on the object, the greater its acceleration will be, but the mass of the object also affects its acceleration. The smaller its mass is, the greater its acceleration for a given amount of force. Newton’s second law of motion summarizes these relationships. According to this law, the acceleration of an object equals the net force acting on it divided by its mass. This can be represented by the equation:
Answer:
60N
Explanation: