AP Physics Misconceptions

The slope of the line for a distance time graph is the speed of the object. True or False?

• True

• False

Tags

NGSS.MS-PS3-1

Moving a point mass farther away from an axis of rotation increases its rotational inertia. True or False?

• True

• False

A hollow object will always reach the bottom of a ramp AFTER a solid of the same radius and mass. True or False?

• True

• False

Tags

NGSS.HS-PS2-1

The slope of the line for a velocity time graph is the acceleration of the object. True or False?

• True

• False

A box is accelerated to the right across rough ground by a horizontal force F_a. The force of friction is F_f. The weight of the box is F_g and the normal reaction is F_n. Which is the free-body diagram for this situation?

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Tags

NGSS.HS-PS2-1

The area under the curve of a velocity time graph is the displacement of the object. True or False?

• True

• False

The area under the curve of an acceleration time graph is the displacement of the object. True or False?

• True

• False

For an Atwood's machine, the acceleration can never be higher than g. True or False?

• True

• False

Tags

NGSS.HS-PS2-1

For an Atwood's machine, the tension in the string is always equal to the weight of the objects. True or False?

• True

• False

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

For an Atwood's machine with a light, frictionless pulley, the tension in the string is the same on both sides. True or False?

• True

• False

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4