What type of friction acts on objects that are not moving?

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Presentation transcript:

What type of friction acts on objects that are not moving? static sliding rolling fluid

What type of friction acts on objects that are not moving? static sliding rolling fluid

What happens to an object when a balanced force acts on it? The object accelerates. The object decelerates. The object changes direction. The object does not move.

What happens to an object when a balanced force acts on it? The object accelerates. The object decelerates. The object changes direction. The object does not move.

You push on a box. What type of friction acts on the box once it begins moving? Static friction Rolling friction Sliding friction Fluid friction

You push on a box. What type of friction acts on the box once it begins moving? Static friction Rolling friction Sliding friction Fluid friction

To produce a projectile, what two forces combine? gravity and a vertical force centripetal force and a vertical force gravity and a horizontal force inertia and a horizontal force

To produce a projectile, what two forces combine? gravity and a vertical force centripetal force and a vertical force gravity and a horizontal force inertia and a horizontal force

The following forces act on an object. What is the net force The following forces act on an object. What is the net force? What is the object’s motion? 3 N 3 N 6 N The net force is 12 N and the object does not move. The net force is 6 N and the object moves left. The net force is 0 and the object does not move. The net force is 12 N and the object moves to the right.

The following forces act on an object. What is the net force The following forces act on an object. What is the net force? What is the object’s motion? 3 N 3 N 6 N The net force is 12 N and the object does not move. The net force is 6 N and the object moves left. The net force is 0 and the object does not move. The net force is 12 N and the object moves to the right.

What force acts on the protons and neutrons in an atom? gravitational force centripetal force strong nuclear force weak nuclear force

What force acts on the protons and neutrons in an atom? gravitational force centripetal force strong nuclear force weak nuclear force

What is the center-directed force that causes the moon to orbit the Earth? gravitational force centripetal force strong nuclear force weak nuclear force

What is the center-directed force that causes the moon to orbit the Earth? gravitational force centripetal force strong nuclear force weak nuclear force

What type of friction is the most difficult to overcome? static sliding rolling fluid

What type of friction is the most difficult to overcome? static sliding rolling fluid

The tendency of an object to resist a change in its motion is gravitational force. centripetal force. inertia. electromagnetic force

The tendency of an object to resist a change in its motion is gravitational force. centripetal force. inertia. electromagnetic force

What is the force that acts on charged objects or particles? gravitational force centripetal force strong nuclear force electromagnetic force

What is the force that acts on charged objects or particles? gravitational force centripetal force strong nuclear force electromagnetic force

Which statement is not true according to Newton’s First Law of Motion? An object at rest will remain at rest. An object in motion will remain in motion at a constant speed. A force is needed to change the motion of an object. A object in motion will remain in motion in a curved path.

Which statement is not true according to Newton’s First Law of Motion? An object at rest will remain at rest. An object in motion will remain in motion at a constant speed. A force is needed to change the motion of an object. A object in motion will remain in motion in a curved path.

An orange might roll off your cafeteria tray when you stop suddenly because the balanced forces acting on the orange. the friction forces acting on the orange. the orange’s inertia. the centripetal force acting on the orange.

An orange might roll off your cafeteria tray when you stop suddenly because the balanced forces acting on the orange. the friction forces acting on the orange. the orange’s inertia. the centripetal force acting on the orange.