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# a rope of negligible mass supports a block that weighs 30 n, as shown above. the breaking strength of the rope is 50 n. the largest acceleration that can be given to the block by pulling up on it with the rope without breaking the rope is most nearly

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### James

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get a rope of negligible mass supports a block that weighs 30 n, as shown above. the breaking strength of the rope is 50 n. the largest acceleration that can be given to the block by pulling up on it with the rope without breaking the rope is most nearly from EN Bilgi.

## A rope of negligible mass supports a block that weighs 30N as sho

A rope of negligible mass supports a block that weighs 30N as shown. The breaking strength of the rope is 50N. The largest acceleration that can be given to the block by pulling up on it with the rope without breaking the rope is most nearlyA 6 m,s2  B 6.7 m,s2  C 10 m,s2  D 15 m,s2  E 16.7 m,s2

Question :

## Correct option B 6.7m/s2ΣF = ma; FT – mg = ma; Let FT = 50N the maximum possible tension and m = W/g = 3kg

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## A rope of negligible mass supports a block that weighs 30N, as shown.

A rope of negligible mass supports a block that weighs 30N, as shown. The breaking strength of the rope is 50N. The ... (D) 15 m/s2 (E) 16.7 m/s2

## A rope of negligible mass supports a block that weighs 30N, as shown.

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## force Flashcards

Memorize flashcards and build a practice test to quiz yourself before your exam. Start studying the force flashcards containing study terms like 1 inertia can be best described as the, 2 a box is given a sudden push up a ramp. fricton between the box and the ramp is not negligible. which of the following diagrams best represents the directions of the actual forces acting on the box as it moves upward after the push?, 3 in a lab, a black weighing 80 N is attached to a spring scale, and both are pulled to the right on a horizontal surface. friction between the block and the surface is negligible. what is the acceleration of the block when the scale reads 32 N? and more.

## force

1 inertia can be best described as the

Click card to see definition 👆

d. propreity responsible for an object's resistance to changes in motion

Click again to see term 👆

2 a box is given a sudden push up a ramp. fricton between the box and the ramp is not negligible. which of the following diagrams best represents the directions of the actual forces acting on the box as it moves upward after the push?

Click card to see definition 👆

a. remember that the frictional force opposes motion and will not be in the same direction as the app force

Click again to see term 👆

1/13 Created by beoyewole

### Terms in this set (13)

1 inertia can be best described as the

d. propreity responsible for an object's resistance to changes in motion

2 a box is given a sudden push up a ramp. fricton between the box and the ramp is not negligible. which of the following diagrams best represents the directions of the actual forces acting on the box as it moves upward after the push?

a. remember that the frictional force opposes motion and will not be in the same direction as the app force

3 in a lab, a black weighing 80 N is attached to a spring scale, and both are pulled to the right on a horizontal surface. friction between the block and the surface is negligible. what is the acceleration of the block when the scale reads 32 N?

c. 4.0 m/s ( you have to find a mass)

4 the system shown above is released from rest. if friction is negligible, the acceleration of the 4 kg block sliding on the table shown above is most nearly

a 0 b 1.7 m/s sq c 3.3 m/s sq d 5.0 m/s sq e 10 m/s sq c 3.3 m/s

5 a rope of negligible mass supports a block that weighs 30 N . the breaking strength of the rope is 50 N. the largest acceleration that can be given to the block by pulling up on it with the rope without breaking the rope is most nearly

a 6 m/s sq b 6.7 m/s sq c 10 m/s sq d 15 m/s sq e 16.7 m/s sq b 6.7 m/s sq

6 a car of mass 10 kg moves without frictional loss on a level table. a 10 n force pulls on the cat horizontally to the right. at the same time, a 30 N force at an angle 60 degrees above the horizontal pulls on the cart to the left. what is the magnitude of the horizontal acceleration of the cart?

a 0.5 m/s sq b 1.6 m/s sq c 2.0 m/s sq d 2.5 m/s sq e 2.6 m/s sq a 0.5 m/s sq

7 in which of the following situations would an object be accelerated?

1 it moves in a straight line at a constant speed

2 it moves with uniform circular motion

3 it travels as a projectile in a gravitational field with negligible air resistance

a 1 only b 3 only c 1 and 2 only d 2 and 3 only e 1, 2, and 3 d 2 and 3 only

8 the sum of the forces on the object is zero in which of the cases ? (image)

a 2 only b 3 only c 1 and 2 d 1 and 3 only e 1 2 and 3 c 1 and 2

9 the approximate value of g at n altitude above earth equal to one earth diameter is

a 9.8 b 4.9 c 2.5 d 1.9 e 1.1 e 1.1 10 look at test

11 if a satellite moves above the earth atmosphere in a circular orbit with constant speed, then

a its acceleration and velocity are in the same direction

b the net force on it is zero

c its velocity is constant

d it will fall back to earth when its fuel is used up

e its acceleration is toward the earth

e its acceleration is toward the earth

12 look at test

a stone of mass 1 kg and weight 10 N falls through the air. the air resistance acting on the stone is 2 N. what is the acceleration of the stone?

a 12 m/s sq b 9.8 m/s sq c 8 m/s sq d 5 m/s sq e 2 m/s sq c 8 m/s sq

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A person holds a 200-g block that is connected to a 250-g block by a string going over a light pulley with no friction in the bearing (an Atwood machine). After the person releases the 200-g block, it starts moving upward and the heavier block descends. (a) What is the acceleration of each block? (b) What is the force that the string exerts on each block? (c) How long will it take each block to traverse 1.0 m?