Part I
... Newton’s First Law • 1st Law: (“Law of Inertia”): “In the absence of external forces and when viewed from an inertial reference frame, an object at rest remains at rest and an object in motion remains in motion with a constant velocity (constant speed in a straight line).” Sir Isaac Newton as an ...
... Newton’s First Law • 1st Law: (“Law of Inertia”): “In the absence of external forces and when viewed from an inertial reference frame, an object at rest remains at rest and an object in motion remains in motion with a constant velocity (constant speed in a straight line).” Sir Isaac Newton as an ...
A body acted on by no net force moves with constant velocity
... Aristotle: a natural state of an object is at rest; a force is necessary to keep an object in motion. It follows from common sense. 384-322 B.C. ...
... Aristotle: a natural state of an object is at rest; a force is necessary to keep an object in motion. It follows from common sense. 384-322 B.C. ...
Student Learning Goals
... 1. The amount by which the forces acting on an object are unbalanced is called the net force. 2. When the forces acting on an object are unbalanced, the object will accelerate. Because acceleration is a change in velocity, and velocity includes both speed and direction, a net force will change the s ...
... 1. The amount by which the forces acting on an object are unbalanced is called the net force. 2. When the forces acting on an object are unbalanced, the object will accelerate. Because acceleration is a change in velocity, and velocity includes both speed and direction, a net force will change the s ...
FORCE and NEWTON`S LAWS of MOTION
... 14. A crate of salmon is lifted to a truck by using a ramp. If the box and ramp connection has a coefficient of friction of 0.4, with what force must the box be pushed parallel to the ramp in order to push it up the ramp with an acceleration of 1.5 m/s2? ...
... 14. A crate of salmon is lifted to a truck by using a ramp. If the box and ramp connection has a coefficient of friction of 0.4, with what force must the box be pushed parallel to the ramp in order to push it up the ramp with an acceleration of 1.5 m/s2? ...
Forces Motion and Energy
... Something that makes a task easier by changing the size or direction of a force or the distance over which the force acts. ...
... Something that makes a task easier by changing the size or direction of a force or the distance over which the force acts. ...
Lecture 16 - Circular Motion
... bodies (apples) fall 5 m in the first second, and that this acceleration is due to earth’s gravity. He showed that the gravity force is the same as if all earth’s mass were at its center, 4000 mi from the surface. (This required inventing Calculus). He wondered whether the same force attracts the mo ...
... bodies (apples) fall 5 m in the first second, and that this acceleration is due to earth’s gravity. He showed that the gravity force is the same as if all earth’s mass were at its center, 4000 mi from the surface. (This required inventing Calculus). He wondered whether the same force attracts the mo ...
Starter Questions: Force and Motion
... What is the formula to calculate force? To which of Newton’s Laws does this formula apply? 7. Give an example of Newton’s First Law (The Law of Inertia) 8. What will have more force, a football player tackling at 10 m/s or a car hitting a wall at 10 m/s? Calculate the following problems. Show ALL yo ...
... What is the formula to calculate force? To which of Newton’s Laws does this formula apply? 7. Give an example of Newton’s First Law (The Law of Inertia) 8. What will have more force, a football player tackling at 10 m/s or a car hitting a wall at 10 m/s? Calculate the following problems. Show ALL yo ...
Physics 121 Exam Sheet - BYU Physics and Astronomy
... Newton’s Third Law – The Third Law of Motion: If body A exerts a force on body B, then body B exerts a force, equal in magnitude, but opposite in direction, on body A, i.e.., FAB = FBA, where FAB is the force exerted on body B by body A and FBA is the force exerted on body A by body B. This law is ...
... Newton’s Third Law – The Third Law of Motion: If body A exerts a force on body B, then body B exerts a force, equal in magnitude, but opposite in direction, on body A, i.e.., FAB = FBA, where FAB is the force exerted on body B by body A and FBA is the force exerted on body A by body B. This law is ...
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. ...
Newtons Laws of Motion
... Second Law • If there is a resultant force (overall force) on an object, it does accelerate in the direction of the force – Acceleration proportional to force – More mass, smaller acceleration – Rate of Change in momentum = force OR – Force = change in momentum ÷ time ...
... Second Law • If there is a resultant force (overall force) on an object, it does accelerate in the direction of the force – Acceleration proportional to force – More mass, smaller acceleration – Rate of Change in momentum = force OR – Force = change in momentum ÷ time ...
Ch. 7 Forces and Motion in Two Dimensions
... – Explain the acceleration of an object moving in a circle at constant speed – Describe how centripetal acceleration depends upon the object’s speed and the radius of the circle – Recognize the direction of the force that causes centripetal acceleration – Explain how the rate of circular motion is c ...
... – Explain the acceleration of an object moving in a circle at constant speed – Describe how centripetal acceleration depends upon the object’s speed and the radius of the circle – Recognize the direction of the force that causes centripetal acceleration – Explain how the rate of circular motion is c ...
Quiz
... 5. What is the moment of inertia about its centre of gravity of a 7.5 kg thigh if the thigh’s length is 35 cm and its radius of gyration is 50% of the length? a) 0.230 kg.m2 b) 1.313 kg.m2 c) 2.63 kg.m2 d) 0.919 kg.m2 ...
... 5. What is the moment of inertia about its centre of gravity of a 7.5 kg thigh if the thigh’s length is 35 cm and its radius of gyration is 50% of the length? a) 0.230 kg.m2 b) 1.313 kg.m2 c) 2.63 kg.m2 d) 0.919 kg.m2 ...
Force
... An object that is at rest will remain at rest, or an object that is moving will continue to move in a straight line with constant velocity, if and only if the net force acting on the object is zero. ...
... An object that is at rest will remain at rest, or an object that is moving will continue to move in a straight line with constant velocity, if and only if the net force acting on the object is zero. ...
05 Friction and Net Force Practice
... 1. A smooth wooden block is placed on a smooth wooden tabletop. You find that you must exert a force of 14 N to keep the 40 N block moving at a constant velocity. a. What is the coefficient of kinetic friction for the block and table? ...
... 1. A smooth wooden block is placed on a smooth wooden tabletop. You find that you must exert a force of 14 N to keep the 40 N block moving at a constant velocity. a. What is the coefficient of kinetic friction for the block and table? ...
Force and Motion Football Game
... What would happen to an individuals mass when moving from planet A to planet B? ...
... What would happen to an individuals mass when moving from planet A to planet B? ...
