Two forces are acting on an object. Which of the followingstatements is correct?

1
The object is in equilibrium if the net torque on the object iszero.
The object is in equilibrium if the forces are equal in magnitudeand opposite in direction.
The object is in equilibrium if the net force and the net torque onthe object are both zero.
The object cannot be in equilibrium because more than one forceacts on it.
The object is in equilibrium if the forces act at the same point onthe object.
.

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Keith LeannonLv2

17 Sep 2019

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Related questions

1. Which of the following describes an object with a non-zero netforce acting on it? Choose all that apply.
The moped accelerated while making a left turn.
The motorcycle traveled at a constant speed while making au-turn.
The truck slowed down while making a right turn.
The spaceship traveled at a constant speed in a straightline.
The car sped up from 50 mph to 65 mph while moving in a straightline.

2. If you observe that an object is accelerating, what should youconclude?
A non-zero net force is acting on it. Only forces causeacceleration. As such, if an object is accelerating it must bebecause a non-zero net force is acting on it.
It must be in free fall.
It must be changing direction. Acceleration is a vector and vectorshave both magnitude and direction. Thus if an object isaccelerating it must be changing direction.
The forces acting on the object must be greater than the forces theobject is exerting.
It must be speeding up. If an object is accelerating that means itis speeding up.

3. Which of the following are true according to Newton's 2nd Law?Choose all that apply.

If the acceleration is zero, then the net force is zero.
If you apply the same force to 2 objects, the one with more masswill have a greater acceleration.
If you apply the same force to 2 objects, the one with less masswill have a greater acceleration.
If two objects have the same acceleration, the one with less masswill have a larger net force exerted on it.
If two objects have the same acceleration, the one with more masswill have a larger net force exerted on it.
The larger the net force on an object is, the larger theacceleration.
The larger the net force on an object is, the smaller theacceleration.

4. A box is on the Moon. The box weighs 152 lb and is in free fall.How much force is the box exerting on the Moon and in whatdirection?

lb
Up
Down
Right
North
East
West
Left
South

5. Which of the following are the correct units for mass? Chooseall that apply.
slugs
u
kgÂ·m/s2
g
N
m/s2
oz
lb

6. If an object is traveling in a circle, which of the followingmust be TRUE? Choose all that apply.
The object is slowing down.
The object is speeding up.
The object has a net force acting on it.
The object has a constant velocity.
The object is accelerating.

A certain object is not in equilibrium. Three of the followingstatements could possibly be true, and one must be true. Which oneof the following must be true?

A) Only two perpendicular forces act on the object.

B) Only three forces act on the object.

C) Only a single force acts on the object.

D) A net force acts on the object.

Part A

An extended object is in static equilibrium if __________.

a. only the net torque acting on the object is zero

b. either the net force acting on the object is zero or the net torque acting on the object is zero

c. both the net force acting on the object is zero and the net torque acting on the object is zero

d. only the net force acting on the object is zero

Part B

Which of the following objects is in static equilibrium?

Part C

Two children want to balance horizontally on a seesaw. The first child is sitting one meter to the left of the pivot point located at the center of mass of the seesaw. The second child has one-half the mass of the first child. Where should the second child sit to balance the seesaw?

a. 1m to the right of the pivot

b. 0.5m to the right of the pivot

c. 4m to the right of the pivot

d. 2m to the right of the pivot

Part D

Rank in order, from least stable to most stable, the three glasses of water shown.