What is the term for the rate at which an object changes its velocity?
Acceleration
Mass
Friction
Gravity
True or False: Weight always remains constant regardless of location.
True
False
Which of the following are types of forces?
Gravitational force
Electromagnetic force
Strawberry force
Nuclear force
What is the law that states that an object in motion stays in motion, with the same speed and in the same direction unless acted upon by an unbalance force?
Newton's First Law
Newton's Second Law
Newton's Third Law
Light's Law
True or False: Friction is a force that acts in the against direction to the movement of an object.
True
False
Which of the following are effects of unbalanced forces on an object?
Change in speed
Change in direction
Change in mass
Change in shape
What is the name of the force that acts between two objects in contact with each other?
Friction
Gravity
Normal force
Magnetic force
True or False: If an object is at rest, it means there are no forces acting upon it.
True
False
Which of these describe the motion of an object thrown up in the air?
It decelerates as it goes up
It accelerates at a constant rate when coming down
Its velocity is zero at the highest point
Its acceleration is zero at the highest point
What is the unit of force in the International System of Units (SI)?
Joule
Watt
Pascal
Newton
True or False: In the absence of air resistance, heavy and light bodies fall with the same acceleration.
True
False
Which factors determine the amount of gravitational force between two objects?
Mass of the objects
Distance between the objects
Speed of the objects
Color of the objects
In the formula F = ma, what does a stand for?
altitude
amplitude
acceleration
area
True or False: Normal force is the force that a surface exerts on an object that is in contact with it and acts perpendicular to the surface.