1.10 Newtons Third Law of Motion LHS

A push or a pull on an object

• Newton's Third Law of Motion

• Model

• Force

• Motion

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A child kicks a soccer ball with a force of 65 Newtons. What is the force exerted by the ball on the child's foot, and what is its direction?

• 65 Newtons: Same Direction

• 65 Newtons: Opposite Direction

• 130 Newtons: Opposite Direction

• 130 Newtons: Same Direction

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Which of the following describes Newton's Third Law of Motion?

• For every action there is an equal and opposite reaction

• A representation of a system that is difficult to demonstrate directly

• Change in an object's position with respect to time and in comparison to the position of other objects used as reference points

• A push or a pull on an object

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Newton's Third Law of Motion states that the force applied by one object on the other results in the second object applying the same amount of force in exactly the

• Opposite direction

• Same Direction

• All of the Above

• None of the Above

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Newton's Third Law is also known as

• The law of Inertia

• The law of Force and Acceleration

• The law of Action-Reaction

• The law of Speed

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Newton's Second Law is also known as

• The law of Inertia

• The law of Force and Acceleration

• The law of Action-Reaction

• The law of Speed

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Newton's First Law is also known as

• The law of Inertia

• The law of Force and Acceleration

• The law of Action-Reaction

• The law of Speed

When pressing down on a table, why does your hand not go straight through the table?

• You are pressing down with the same amount of force that the surface is pressing up

• The surface is not exerting any force

• You are pressing down with a different amount of force than the surface is pressing up

• You aren't strong enough

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A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

• 100 Newtons: Same Direction

• 100 Newtons: Opposite Direction

• 200 Newtons: Same Direction

• 200 Newtons: Opposite Direction

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According to Newton's Third Law, if someone jumps off a skateboard, the skateboard will roll backwards because-

• the mass of the skateboard is the same as the mass of the person jumping off

• the pull of gravity on the person is the same as on the skateboard, regardless of size

• the air resistance on the person is great and the friction on the skateboard is small

• for the force that sent the person forward, there is an equal force pushing back on the skateboard

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