What is a newton?(1 point)
Responses
the unit in which force is measured
the unit in which force is measured
a non-contact force
a non-contact force
a force that changes the motion of an object
a force that changes the motion of an object
a force that pulls objects toward the ground
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 both the direction and the speed of the ball.
It changes both the direction and the speed of the ball.
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 both the direction and the speed of the ball.
A net force is applied to a moving object. Which statement best describes the effect of the force?(1 point)
Responses
The force will cause the object to come to a stop.
The force will cause the object to come to a stop.
The force will cause a change in the momentum of the object.
The force will cause a change in the momentum of the object.
The force will cause a change in the direction of the object.
The force will cause a change in the direction of the object.
The force will cause the speed of the object to increase.
The force will cause a change in the momentum of the object.
What is the momentum of an object?(1 point)
Responses
the rate of change in the velocity of an object
the rate of change in the velocity of an object
the net force acting on the object
the net force acting on the object
the state of motion of an object with mass
the state of motion of an object with mass
the velocity of the object