reword each statement about friction to make it true.
For very small objects, the friction from the object to the surface is less than the friction from the surface to
the object.
If the mass of an object increases, the kinetic friction on the object will increase.
The faster rate an object is pulled, the larger the force of friction acting on that object.
When pulling an object horizontally, as the applied force increases so does the kinetic friction.
To make each statement about friction true, we need to make the following rewordings:
1. For very small objects, the friction from the surface to the object is greater than the friction from the object to the surface.
Explanation: Friction always acts in the opposite direction of motion, so the statement needs to be reversed to be true.
2. If the mass of an object increases, the kinetic friction on the object will also increase.
Explanation: According to Newton's second law, the force of friction depends on the normal force (which is proportional to the mass) and the coefficient of friction. Therefore, increasing the mass would also increase the kinetic friction.
3. The faster rate an object is pulled, the smaller the force of friction acting on that object.
Explanation: The force of friction depends on the normal force and the coefficient of friction, but not on the speed of the object. So, the statement needs to be reversed to reflect the correct relationship.
4. When pulling an object horizontally, as the applied force increases, so does the static friction.
Explanation: In the case of static friction, the force required to overcome it (applied force) is directly proportional to the frictional force. So, as the applied force increases, the static friction would also increase.
For very small objects, the friction from the surface to the object is greater than the friction from the object to the surface.
If the mass of an object increases, the kinetic friction on the object will also increase.
The faster rate an object is pulled, the smaller the force of friction acting on that object.
When pulling an object horizontally, as the applied force increases, so does the static friction.