Forces of Friction
... Contact between bodies with a relative velocity produces friction • Friction is proportional to the normal force • The force of static friction is generally greater than the force of kinetic friction • The coefficient of friction (µ “mu”) depends on the surfaces in contact • The direction of the fri ...
... Contact between bodies with a relative velocity produces friction • Friction is proportional to the normal force • The force of static friction is generally greater than the force of kinetic friction • The coefficient of friction (µ “mu”) depends on the surfaces in contact • The direction of the fri ...
Chapter 5: Using Newton`s Laws
... where µk is the coefficient of kinetic friction and N is the magnitude of the normal force. Therefore, during the sliding, a kinetic frictional force of magnitude fk opposes the motion. 4. When several agents push in different directions on an object, the frictional force opposes the component of t ...
... where µk is the coefficient of kinetic friction and N is the magnitude of the normal force. Therefore, during the sliding, a kinetic frictional force of magnitude fk opposes the motion. 4. When several agents push in different directions on an object, the frictional force opposes the component of t ...
9/29 Friction HW
... tires or driving a car, any time there is movement across a surface happening, we refer to this as sliding friction. Sliding friction occurs when something slides across a surface (like our book sliding across the table). The table offers resistance to the movement of the book. We often say that the ...
... tires or driving a car, any time there is movement across a surface happening, we refer to this as sliding friction. Sliding friction occurs when something slides across a surface (like our book sliding across the table). The table offers resistance to the movement of the book. We often say that the ...
Chapter2_2
... • Opposes the relative motion of two surfaces • Consists of a matched pair of forces: – Object one pushes on object two – Object two pushes on object one – Forces have equal magnitudes, opposite directions ...
... • Opposes the relative motion of two surfaces • Consists of a matched pair of forces: – Object one pushes on object two – Object two pushes on object one – Forces have equal magnitudes, opposite directions ...
26a Dynamics Review A - stpats-sph3u-sem1-2013
... and an explanation of these sensations using Newton’s laws of motion. 3. Newton’s first law states that objects will remain at rest or in uniform motion provided no external unbalanced force acts on them. Newton’s third law states that forces always occur in pairs – the two forces of a given pair ac ...
... and an explanation of these sensations using Newton’s laws of motion. 3. Newton’s first law states that objects will remain at rest or in uniform motion provided no external unbalanced force acts on them. Newton’s third law states that forces always occur in pairs – the two forces of a given pair ac ...
Friday PS Forces Part 2 - elyceum-beta
... • Amount of force depends on: – The roughness of the surfaces being put together – The force used to push surfaces together ...
... • Amount of force depends on: – The roughness of the surfaces being put together – The force used to push surfaces together ...
Forces - Wsfcs
... • Force that attracts all objects toward each other • More mass = more gravity • Acceleration because of gravity is 9.8 m/s/s • All objects accelerate at the same rate ...
... • Force that attracts all objects toward each other • More mass = more gravity • Acceleration because of gravity is 9.8 m/s/s • All objects accelerate at the same rate ...
Forces
... • How is the motion of an object affected when a force acts on it? • How does air resistance affect the acceleration of a falling object? • Describe why a projectile follows a curved ...
... • How is the motion of an object affected when a force acts on it? • How does air resistance affect the acceleration of a falling object? • Describe why a projectile follows a curved ...
What is Friction? - Mona Shores Blogs
... • The greater the surface area of the object the greater the air resistance. • However, since the elephant has ...
... • The greater the surface area of the object the greater the air resistance. • However, since the elephant has ...
Inclined Planes and Friction
... Inclined Planes and Friction (1) A 100. N block sits on a rough horizontal floor. The coefficient of sliding friction between the block and the floor is 0.250. A horizontal force of 90.0 N acts on the block for 3.00 seconds. Calculate the velocity of the block after 3.00 seconds if it starts from re ...
... Inclined Planes and Friction (1) A 100. N block sits on a rough horizontal floor. The coefficient of sliding friction between the block and the floor is 0.250. A horizontal force of 90.0 N acts on the block for 3.00 seconds. Calculate the velocity of the block after 3.00 seconds if it starts from re ...
Section 3
... •Friction depends on both of the surfaces in contact. •More weight means more friction •Friction works against the direction of the object’s motion ...
... •Friction depends on both of the surfaces in contact. •More weight means more friction •Friction works against the direction of the object’s motion ...
Physics Force Lab
... 9. Repeat the exact same steps 3 to 6, just flipping the surface of the block μs = fs / FN ...
... 9. Repeat the exact same steps 3 to 6, just flipping the surface of the block μs = fs / FN ...
Study guide on forces, Newton`s Laws, ect.
... motion has started the object in like when you go forward as you hit the breaks. ...
... motion has started the object in like when you go forward as you hit the breaks. ...
Dynamics Workbook
... µ(FN) is the maximum Ff available to resist any force that is trying to start the surface from sliding (the “lazy” force) d. For any 2 particular surfaces in contact, µ static > µ sliding, because surfaces that aren’t yet moving across each other can “grip” better. e. Ff DOES NOT depend upon the a ...
... µ(FN) is the maximum Ff available to resist any force that is trying to start the surface from sliding (the “lazy” force) d. For any 2 particular surfaces in contact, µ static > µ sliding, because surfaces that aren’t yet moving across each other can “grip” better. e. Ff DOES NOT depend upon the a ...
Ch 4 #38-68(evens)
... 42*. A man doing his spring cleaning pulls a 150N vacuum cleaner across the floor at a constant velocity by exerting a force on it at an angle of 30 with the horizontal. If the required force is 35N, what is the kinetic coefficient of friction between floor and vacuum? 44* A crate is held at rest o ...
... 42*. A man doing his spring cleaning pulls a 150N vacuum cleaner across the floor at a constant velocity by exerting a force on it at an angle of 30 with the horizontal. If the required force is 35N, what is the kinetic coefficient of friction between floor and vacuum? 44* A crate is held at rest o ...
Friction and Gravity
... *Static..prevents objects sliding *Sliding...resists objects while they are moving *Fluid…air or water ...
... *Static..prevents objects sliding *Sliding...resists objects while they are moving *Fluid…air or water ...
Pasco Friction Expt
... 3. Place one mass in the Friction Tray. Attach one end of the string to the tray. Attach the other end to the hook of the Force Sensor. 4. Press the START button. 5. Place the Friction Tray on a rough surface (carpet works well). With the force sensor tied to the tray, slowly pull the Friction Tray ...
... 3. Place one mass in the Friction Tray. Attach one end of the string to the tray. Attach the other end to the hook of the Force Sensor. 4. Press the START button. 5. Place the Friction Tray on a rough surface (carpet works well). With the force sensor tied to the tray, slowly pull the Friction Tray ...
Name_________________Date___________Period_____ Num
... 11. What happens to an object when there is a balanced force applied? ...
... 11. What happens to an object when there is a balanced force applied? ...
Friction
... • When an object rolls over a surface, a frictional force due to rolling friction slows the object down • Weakest frictional force • Much less than sliding or static friction, which is why it is easier to move a heavy object if it is on wheels ...
... • When an object rolls over a surface, a frictional force due to rolling friction slows the object down • Weakest frictional force • Much less than sliding or static friction, which is why it is easier to move a heavy object if it is on wheels ...