Question 1 (1 point) When the mass of a rope or string is negligible, you can as

Question

Question 1 (1 point) When the mass of a rope or string is negligible, you can assume that a force applied at one end is also applied equally at the other end. O True O False Save Question 2 (1 point) A block sits at rest on an inclined plane (like a ramp). The magnitude of the normal force O is equal to the magnitude of the weight of the block. O is less than the magnitude of the weight of the block. O is greater than the magnitude of the weight of the block. O is equal to the mass of the block. Save Question 3 (1 point) In a warehouse, a rope is placed over a ceiling pulley and connected to a heavy crate sitting on the floor. In order to pick the crate off the floor, the tension in the rope must be larger than the magnitude of the crate's weight. O True O False

Explanation / Answer

sol 1. true.

sol 2. magnitude of normal force will be less than the weight of block as only a component of weight will be directly opposite to block.

sol 3. this is true.

in this case

Tension - weight = mass* acceleration

sol 4. is equal to magnitude of weight of block

sol 5. is equal to tension in the string which is equal to weight of yo- yo

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