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Section 1

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student holds a 6-N block of wood from a spring balance in an express elevator that maintains constant velocity traveling between floors. A spring scale reading of 5.9 N indicates that the elevator is

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Physics

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Date created

Mar 1, 2020

Cards (8)

Section 1

(8 cards)

student holds a 6-N block of wood from a spring balance in an express elevator that maintains constant velocity traveling between floors. A spring scale reading of 5.9 N indicates that the elevator is

Front

Ending an ascending trip

Back

In interactions of action-reaction pairs involving Earth and everyday objects, the effect on Earth's motion is often negligible because

Front

Back

In an action-reaction pair, the

Front

Back

The change in the horizontal velocity of a 12-kg scooter is +0.5 m/s. What is the net horizontal force acting on it?

Front

Greater than 0N

Back

During a three-part circus stunt, a clown holds a ball. The clown then tosses the ball upward. After releasing it, the ball is caught a few moments later from above by another clown on a trapeze. Which set of data could represent the normal force exerted by the ground on the first clown during the stunt? The force due to gravity on the clown is 680 N

Front

700 N, 705 N, 680 N

Back

In which situation is the net force acting on a car zero?

Front

The car maintains both its speed and direction

Back

A truck and a car uniformly accelerate from rest to a velocity of 3.0 m/s in equal time intervals. The truck is ten times as massive as the car. Which of the following statements is correct?

Front

The force of the truck is 10 times the force on the car

Back

A batter strikes a baseball with a bat. Identify an action-reaction pair and describe the forces exerted by each.

Front

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