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A golf ball will remain at rest on a tee until it is acted on by the unbalanced force of a moving club.

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An unbalanced force from another car acts on your car and changes your car’s motion. The collision changes your car’s motion, not your motion. Your motion continues with the same velocity. Another unbalanced force, from your seatbelt, changes your motion. Newton’s first law

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Acceleration depends on mass. The acceleration of an object decreases as the mass increases and the acceleration increases as the mass decreases. Acceleration depends on the force applied. Acceleration increases as the force on the object increases.

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If the force applied to the carts is the same, the acceleration of the empty cart is greater than the acceleration of the loaded cart. MASS, FORCE AND ACCELERATION Acceleration will increase when a larger force is exerted.

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The apple has less mass than the watermelon does. So, less force is needed to give the apple the same acceleration that the watermelon has.

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1.What is the acceleration of a 7 kg mass if a force of 68.6 N is used to move it toward Earth?

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2. What force is necessary to accelerate a 1,250 kg car at a rate of 40 m/s2?

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3. Zookeepers carry a stretcher that holds a sleeping lion. The total mass of the lion and the stretcher is 175 kg. The lion’s forward acceleration is 2 m/s2. What is the force necessary to produce this acceleration?

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Forces act in pairs.

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Newton’s 1 st & 2 nd Laws Chapter 10 Section 3. Newton’s 1 st Law What is an Unbalanced Force? An object will remain at rest OR moving at a constant velocity.

Newton’s 1 st & 2 nd Laws Chapter 10 Section 3. Newton’s 1 st Law What is an Unbalanced Force? An object will remain at rest OR moving at a constant velocity.

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