questions on Newton`s laws File
... 4. The air exerts a forward force of 10 N on the propeller of a 0.20-kg model airplane. If the plane accelerates forward at 2.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane? 5. A 5.0-g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What total fo ...
... 4. The air exerts a forward force of 10 N on the propeller of a 0.20-kg model airplane. If the plane accelerates forward at 2.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane? 5. A 5.0-g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What total fo ...
SEISMIC SLEUTHS
... • When the high points of each surface touch they bond, you must break these bonds to move one of the pieces (origin of static friction) • As surfaces move across each other, _________ forces continue to attract between high points, resulting in the weaker kinetic friction • Air drag (any fluid) dep ...
... • When the high points of each surface touch they bond, you must break these bonds to move one of the pieces (origin of static friction) • As surfaces move across each other, _________ forces continue to attract between high points, resulting in the weaker kinetic friction • Air drag (any fluid) dep ...
Force and Motion Part II Circular Dynamics
... appears to push her toward the door From the frame of the Earth, the car applies a leftward force on the passenger The outward force is often called a centrifugal force It is a fictitious force due to the acceleration associated with the car’s change in direction ...
... appears to push her toward the door From the frame of the Earth, the car applies a leftward force on the passenger The outward force is often called a centrifugal force It is a fictitious force due to the acceleration associated with the car’s change in direction ...
2 nd Law
... Example: A heavy parachutists will fall faster than a light one. When the force of air resistance is equal to weight of the falling object, the object will reach a Terminal ...
... Example: A heavy parachutists will fall faster than a light one. When the force of air resistance is equal to weight of the falling object, the object will reach a Terminal ...
Physics 11 Assignment #2
... 6. Two objects, m1 and m2, are accelerated independently by forces of equal magnitude. Object m1 accelerates at 10.0 m/s2 and m2 at 20.0m/s2. What is the ratio of (a) their inertial masses? (b) their gravitational masses? (3) ...
... 6. Two objects, m1 and m2, are accelerated independently by forces of equal magnitude. Object m1 accelerates at 10.0 m/s2 and m2 at 20.0m/s2. What is the ratio of (a) their inertial masses? (b) their gravitational masses? (3) ...
P5.28 (p.138)
... at rest) unless acted upon by a net external force. acceleration due to Earth’s rotation 0.03 m/s2 acceleration due to Earth’s orbit 0.006 m/s2 acceleration due to Sun’s orbit 2 x 10-10 m/s2 ...
... at rest) unless acted upon by a net external force. acceleration due to Earth’s rotation 0.03 m/s2 acceleration due to Earth’s orbit 0.006 m/s2 acceleration due to Sun’s orbit 2 x 10-10 m/s2 ...
Forces Worksheet
... 10) A 20.0 kg crate of physics books is at rest on a table. What is the normal force on the books? 11) You pull horizontally on a 300. N sled packed with presents, which is initially at rest. a) If the coefficients of friction are 0.4 Static and 0.3 Kinetic will you be able to move it if you pull wi ...
... 10) A 20.0 kg crate of physics books is at rest on a table. What is the normal force on the books? 11) You pull horizontally on a 300. N sled packed with presents, which is initially at rest. a) If the coefficients of friction are 0.4 Static and 0.3 Kinetic will you be able to move it if you pull wi ...
Physics - Pierce Public Schools
... The force of friction will either speed up or slow down the object. The direction of the velocity and the acceleration will be parallel to the hill along the x-axis. The y-axis is perpendicular to the hill and is the normal force. Diagram ...
... The force of friction will either speed up or slow down the object. The direction of the velocity and the acceleration will be parallel to the hill along the x-axis. The y-axis is perpendicular to the hill and is the normal force. Diagram ...
Chapter 5a
... - ______________ are vectors!! Remember vector addition. - To calculate ________ force on an object you must use vector addition. ...
... - ______________ are vectors!! Remember vector addition. - To calculate ________ force on an object you must use vector addition. ...
Relative Motion
... An object subject to no external forces moves with a constant velocity if viewed from an inertial reference frame. – If no forces act, there is no acceleration. ...
... An object subject to no external forces moves with a constant velocity if viewed from an inertial reference frame. – If no forces act, there is no acceleration. ...
Test Hints – gravity
... So there is excess torque in either the clockwise or counterclockwise direction. This will cause the object to rotate. 1. As always, ask what the object is doing. Is it rotating or is it standing still? 2. Set the direction of motion as positive. It will either rotate clockwise or counterclockwise. ...
... So there is excess torque in either the clockwise or counterclockwise direction. This will cause the object to rotate. 1. As always, ask what the object is doing. Is it rotating or is it standing still? 2. Set the direction of motion as positive. It will either rotate clockwise or counterclockwise. ...
Forces in Motion
... object will continue to accelerate downward. The amount of air resistance on an object increases as the speed of the object increases. As an object falls, the upward force of air resistance continues to increase until it exactly matches the downward force of gravity. When this happens, the net ...
... object will continue to accelerate downward. The amount of air resistance on an object increases as the speed of the object increases. As an object falls, the upward force of air resistance continues to increase until it exactly matches the downward force of gravity. When this happens, the net ...
