What is a newton?(1 point)Responses A force that pulls objects toward the grounda force that pulls objects toward the grounda non-contact forcea non-contact forcea force that changes the motion of an objecta force that changes the motion of an object the unit in which force is measured
the unit in which force is measured
A tennis player swings and hits the ball away. How does the force of the tennis racket affect the motion of the ball?(1 point)
Responses
It changes the speed of the ball but not the direction.
It changes the speed of the ball but not the direction.
It does not change the speed or the direction of the ball.
It does not change the speed or the direction of the ball.
It changes the direction of the ball but not the speed.
It changes the direction of the ball but not the speed.
It changes both the direction and the speed of the ball.
It changes both the direction and the speed of the ball.