Which of Newton's Laws best explains why you should buckle-up in a vehicle?
A free body diagram represents ________ forces acting on an object
A rocket moves through empty space in a straight line with constant velocity. It is far from the gravitational effect of any star or planet. Under these conditions, what force must be applied to the rocket?
Action-reaction pair forces are
Which is NOT an example of an action-reaction pair?
You are standing on a moving bus, facing forward, and you suddenly fall forward. You can imply from this that the bus's velocity
You are pushing a book across a table. The force you exert on the book is called a(n)
You are pushing a book across a table. The upward force the table exerts on the book is called a(n)
You pull a sled through the snow, using a rope. The force you exert on the sled through the rope is called a
You are playing tug-of-war. Your team is pulling with 300 N of force; the other team is pulling with 200 N of force. What is the tension in the rope?
The tendency of an object to resist any change of motion is known as...
the greater the mass of an object
The force of gravity of a person on a person at the surface of a planet is known as...
A book is sitting on the dashboard of your car that is stopped at a traffic light. The light turns green and the book falls into your lap. This is because the car....
An object in motion tends to
An object at rest tends to...
A car is moving at 100 m/s down the road. Which of the following forces are acting on the car?
When a golfer hits a golf ball, the force exerted by the ball on the club is ________ than that exerted by the club on the ball.
A man with a weight of 800 N is standing on a scale and lifts his right leg. What is the reading on the scale now?
The friction force between two surfaces always acts ____________ the motion of the object.