Forces & Motion_Newton's 2nd Law

Which graph represents the motion of an object that has zero net force acting on it?

• Graph A: A straight line with positive slope.

• Graph B: A curve with increasing slope.

• Graph C: A line with a peak and then decreasing slope.

• Graph D: A horizontal line.

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NGSS.MS-PS2-1

Initially a box is moving at constant velocity along a rough surface; The applied force opposed the friction force. Which free-body force diagram represents the forces acting on the object the moment after the applied force is removed, but while the box is still moving forward?

• A

• B

• C

• D

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NGSS.MS-PS2-2

If a rolling ball is unaffected by any other force, it would

• speed up.

• never stop.

• slow down and stop.

• slow down but never stop.

What is the likely outcome when a larger force is applied to the cart?

• The cart moves slower

• The cart moves faster

• The cart does not move

• The cart moves in circles

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NGSS.MS-PS2-2

If there is no external force on a moving object, it will

• stop moving.

• keep moving with constant velocity.

• gradually slow down until it stops.

• gradually speed up.

• maintain the same state of motion.

Which of these is not something that a force can do?

• set an object in motion

• stop an object in motion

• change the speed of an object

• change the weight of an object

If a shopping cart collides with a parked car and leaves a dent. What is the effect on the force if the velocity of the cart increases?

• Force Increases

• Force Decreases

• Force Remains the Same

• None of the above

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a shopping cart collides with a parked car and leaves a dent. What happens to the force if the acceleration of the cart increases?

• Force Increases

• Force Decreases

• Force Remains the Same

• None of the above

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a shopping cart collides with a parked car and leaves a dent. If the friction of the parking lot increases, what is the effect on the force?

• Force Increases

• Force Decreases

• Force Remains the Same

• None of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a shopping cart collides with a parked car and leaves a dent. What will happen is the size of the car decreases?

• Force Increases

• Force Decreases

• Force Remains the Same

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2