Physics Unit 2 Review
... 2. When an unbalanced force acts on an object, a. the object’s motion does not change. c. the weight of the object decreases. b. the object accelerates. d. the inertia of the object increases. 3. As you push a cereal box across a tabletop, the sliding friction acting on the cereal box a. acts in the ...
... 2. When an unbalanced force acts on an object, a. the object’s motion does not change. c. the weight of the object decreases. b. the object accelerates. d. the inertia of the object increases. 3. As you push a cereal box across a tabletop, the sliding friction acting on the cereal box a. acts in the ...
Forces
... A box slides down a frictionless ramp. If the box has a mass of 12kg and the ramp is inclined at an angle of 32 degrees, what is the acceleration of the box? A 76kg box slides down a ramp inclined at 21 degrees. If the acceleration of the box is 1.2m/s2, what is the coefficient of friction betwe ...
... A box slides down a frictionless ramp. If the box has a mass of 12kg and the ramp is inclined at an angle of 32 degrees, what is the acceleration of the box? A 76kg box slides down a ramp inclined at 21 degrees. If the acceleration of the box is 1.2m/s2, what is the coefficient of friction betwe ...
What is a force?
... stretched by attaching weight of 20 N to the lower end. If the extension is 1 x 10-3 m, what is (a) the force constant; (b) the energy stored in the wire; (c) the gravitational potential energy loss by the weight in dropping a distance of ...
... stretched by attaching weight of 20 N to the lower end. If the extension is 1 x 10-3 m, what is (a) the force constant; (b) the energy stored in the wire; (c) the gravitational potential energy loss by the weight in dropping a distance of ...
Skill Sheet 5.1 Isaac Newton
... the next two years in solitary academic pursuit. During this period, he made significant advances in calculus, worked on a revolutionary theory of the nature of light and color, developed early versions of his three laws of motion, and gained new insights into the nature of planetary motion. When Ca ...
... the next two years in solitary academic pursuit. During this period, he made significant advances in calculus, worked on a revolutionary theory of the nature of light and color, developed early versions of his three laws of motion, and gained new insights into the nature of planetary motion. When Ca ...
Take-Home Packet to Accompany In
... 7. Cleats or spikes on shoes make ______________________ friction because they provide a ______________________ surface. 8. When skis or skates slide over ice or snow, the friction creates a layer of ________________, which ________________friction. 9. Rolling friction is ___________________ than sl ...
... 7. Cleats or spikes on shoes make ______________________ friction because they provide a ______________________ surface. 8. When skis or skates slide over ice or snow, the friction creates a layer of ________________, which ________________friction. 9. Rolling friction is ___________________ than sl ...
Circular Motion
... (horizontal). Estimate the force a person must exert on a string attached to a 0.150-kg ball to make the ball revolve in a horizontal circle of radius 0.600 m. The ball makes 2.00 revolutions per second. Ignore the string’s mass. ...
... (horizontal). Estimate the force a person must exert on a string attached to a 0.150-kg ball to make the ball revolve in a horizontal circle of radius 0.600 m. The ball makes 2.00 revolutions per second. Ignore the string’s mass. ...
Chapter 4: Newton`s Second Law F = ma First Law
... which acts on an object to prevent motion from occurring. Because static friction prevents the motion from occurring, the object remains stationary. The magnitude of the static friction will then be equal to the magnitude of the external force trying to making the motion occur (what about the direct ...
... which acts on an object to prevent motion from occurring. Because static friction prevents the motion from occurring, the object remains stationary. The magnitude of the static friction will then be equal to the magnitude of the external force trying to making the motion occur (what about the direct ...
4/13/15 and 4/14/15 AIM: Define and apply Newton`s Second Law of
... DO NOW: Copy down the following NOTES 1. Friction is the force that opposes the sliding motion of two surfaces that are touching each other. 2. The force of friction between two objects in contact depends on the kinds of surfaces and the force pressing them together 3. The three kinds of friction ar ...
... DO NOW: Copy down the following NOTES 1. Friction is the force that opposes the sliding motion of two surfaces that are touching each other. 2. The force of friction between two objects in contact depends on the kinds of surfaces and the force pressing them together 3. The three kinds of friction ar ...
Chapter 4
... The force of static friction is generally greater than the force of kinetic friction The coefficient of friction (µ) depends on the surfaces in contact The direction of the frictional force is opposite the direction of motion The coefficients of friction are nearly independent of the area of contact ...
... The force of static friction is generally greater than the force of kinetic friction The coefficient of friction (µ) depends on the surfaces in contact The direction of the frictional force is opposite the direction of motion The coefficients of friction are nearly independent of the area of contact ...
Do Now - Hicksville Public Schools
... Molly have to apply so that you can’t move her? (Hint: Think of the last problem) 11. You walk an unwilling 10 kg dog by pulling on its leash with a force of 20 N at an angle of 50 degrees from the horizontal. a. Draw a free body diagram to the right. b. What is the horizontal component of the p ...
... Molly have to apply so that you can’t move her? (Hint: Think of the last problem) 11. You walk an unwilling 10 kg dog by pulling on its leash with a force of 20 N at an angle of 50 degrees from the horizontal. a. Draw a free body diagram to the right. b. What is the horizontal component of the p ...
Forces & the Laws of Motion
... remains the same, what happens to the acceleration of the truck if soybeans leak from it at a constant rate? Answer: The loss of soy beans is a decrease in mass. Since a = ΣFnet /m , acceleration increases. ...
... remains the same, what happens to the acceleration of the truck if soybeans leak from it at a constant rate? Answer: The loss of soy beans is a decrease in mass. Since a = ΣFnet /m , acceleration increases. ...
Test hints
... 4. Making or interpreting displacement vs time graphs or velocity vs time graphs. A. Displacement vs time graphs: (1) Slope is the velocity. (2) Flat areas on the curve represent places where the object is at rest and its velocity is zero. (3) Positive slope means object is moving away from origin. ...
... 4. Making or interpreting displacement vs time graphs or velocity vs time graphs. A. Displacement vs time graphs: (1) Slope is the velocity. (2) Flat areas on the curve represent places where the object is at rest and its velocity is zero. (3) Positive slope means object is moving away from origin. ...
