1. What will happen to the acceleration of an empty cart when loaded with vegetables and the cart’s mass becomes twice as heavy but the force applied is the same? A.Two times higher B.Reduced to half C.Remains the same D.Four times higher 2. Many people are familiar with the fact that a rifle recoils when fired. A gunpowder explosion creates hot gases that expand outward allowing the rifle to push forward on the bullet. Describe the acceleration of the recoiling rifle. A.None of the above B.The same size as the acceleration of the bullet. C.Greater than the acceleration of the bullet. D.Slower than the acceleration of the bullet. 3. What will be its displacement after 5 s when a net force of 6 N acts upon an object with a mass of 2 kg and if the object was initially moving with a velocity of 1 m/s when the force was applied? A.32.5 m B.22.5 m C.42.5 m D.52.5 m 4. How will you describe action-reaction forces? A.may be at right angles. B.always act on the same object. C.always act on different objects. D.sometimes act on the same object. 5. What law is being applied when you're riding a bike then suddenly you hit a large rock. The bike stops moving but you fly over the handlebars? A.Newton's Second Law of Motion B.Newton's First Law of Motion C.Newton's Third Law of Motion D.Law of Conservation of Momentum

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Answer 1-5 this subject

1. What will happen to the acceleration of an empty cart when loaded with vegetables and the cart’s mass becomes twice as heavy but the force applied is the same?

A.Two times higher

B.Reduced to half

C.Remains the same

D.Four times higher

2. Many people are familiar with the fact that a rifle recoils when fired. A gunpowder explosion creates hot gases that expand outward allowing the rifle to push forward on the bullet. Describe the acceleration of the recoiling rifle.

A.None of the above

B.The same size as the acceleration of the bullet.

C.Greater than the acceleration of the bullet.

D.Slower than the acceleration of the bullet.

3. What will be its displacement after 5 s when a net force of 6 N acts upon an object with a mass of 2 kg and if the object was initially moving with a velocity of 1 m/s when the force was applied?

A.32.5 m

B.22.5 m

C.42.5 m

D.52.5 m

4. How will you describe action-reaction forces?

A.may be at right angles.

B.always act on the same object.

C.always act on different objects.

D.sometimes act on the same object.

5. What law is being applied when you're riding a bike then suddenly you hit a large rock. The bike stops moving but you fly over the handlebars?

A.Newton's Second Law of Motion

B.Newton's First Law of Motion