19 of 20 A large truck moving at 30 mph collides with a parked car. How does the

Question

19 of 20 A large truck moving at 30 mph collides with a parked car. How does the force of the truck on the car compare to the force of the car on the truck? The force of the truck on the car is larger than the force of the car on the truck. The force of the truck on the car is less than the force of the car on the truck. The force of the truck on the car is equal to the force of the car on the truck. The question does not provide enough information. The relative forces depend on whether the car had its parking brake on or was experiencing any other resistive forces. 20 of 20 A horse applies a 200 N force to a sled causing the sled to accelerate. What will the force of the sled be on the horse? Larger than 200 N Smaller than 200 N Equal to 200 N Not enough information (The question should include the mass of the sled.)

Explanation / Answer

19. From Newton's 3rd Law of Motion, action and reaction forces are equal and opposite.

Answer: The Force of the truck on the car is equal to the force of the car on the truck

20. Similarly, Action reaction forces are equal and opposite

Answer: Equal to 200 N

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