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Forces Test, Physics Honors

Last updated 7 months ago

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Question 48

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Question 49

49.

friction

velocity

acceleration

inertia

Which of these describes an object at rest?

Net force is zero

Acceleration is negative

Velocity is constant

Force is maximum

positive acceleration because they are slowing down

negative acceleration because they are speeding up toward the ground

no acceleration because they are not moving

no acceleration because they are moving at a constant velocity.

85 N

850 N

10 N

Mr. Love will accelerate more than the hamster

The hamster will accelerate more than Mr. Love

The hamster and Mr. Love will accelerate at the same rate (possibly due to their similar IQs).

Mr. Love will try to crawl into the hamsters pocket.

The hammer exerts a force on the nail; the nail exerts a force on the coffin

The hammer exerts a force on the nail; the coffin exerts a force on the nail.

The hammer exerts a force on the nail; the nail exerts a force on the hammer.

The hammer exerts a force on the nail' the hammer exerts a force on the coffin

These two forces are equal

cannot be determined

the mass

the force of friction

the applied force

the force of gravity

They experience the same force

the bicycle

the train

cannot be determined

they experience the same acceleration

the bicycle

the train

cannot be determined

the net force is to the right

the net force is to the left

the net force is equal to the force of friction

the net force is 0 N

The 10 Kg statue because of its lower µ

The 500 Kg statue because of its higher µ

The 10 Kg statue because of its lower Fn

The 500 Kg statue because of its higher Fn

1.2

4.0

1.6

0.5

14) Momentum is a vector (it has direction). How do you calculate momentum (p)?

mass x acceleration

velocity x distance

mass x velocity

none of these

force x distance

force x time

distance x time

force^2 x time

2200 m/s

240 m/s

20 m/s

055 m/s

85 N

250 N

853 N

917 N

-20 N s

-1600 N s

-32000 N s

+32000 N s

12 kg m/s

18.30 kg m/s

3.18 kg m/s

12.7 kg m/s

375 N

150 N

1500 N

750 N

increase the impulse applied to the object.

decrease the time interval over which the impulse is applied.

increase the reaction force.

increase the time interval over which the impulse is applied.

2.25 m/s

9 m/s

4.5 m/s

18 m/s

speed

velocity

momentum

mass

91 m/s

1004 m/s

909 m/s

859 m/s

1.45 m/s

-1.45 m/s

-1.2 m/s

-3.8 m/s

7 m/s

-3 m/s

-2 m/s

5 m/s

200 m/s

175 m/s

55 m/s

20 m/s

force

acceleration

vector

all of these

2.9 m/s

6.1 m/

11.2 m/s

5.8 m/s

100,000 N

200,000 N

57,600 N

115,000 N

4.3 m/s

1.7 m/s

3.5 m/s

2.2 m/s

A 70 kg person runs at 5 m/s. What is their kinetic energy?

1750 Joules

350 Joules

1400 Joules

875 Joules

elastic collisions conserve momentum and inelastic ones do not

elastic collisions conserve kinetic energy and inelastic ones do not

elastic collisions resist changes in momentum and inelastic ones do not

elastic collisions are springier than inelastic ones

10 m/s

15 m/s

40 m/s

100 m/s

1.8 m/s

2.4 m/s

1.2 m/s

6.4 m/s

1.2 m/s

1.8 m/s

-1.2 m/s

-1.8 m/s

upwards

in the opposite direction that the object moves

in the direction the object moves

in a direction perpendicular to the object's motion

64,000 J

8,000 J

20,000 J

100,000 J

7500 N

700 N

8400 N

12 N

input force

compound force

output force

none of these

200

5000

1005

none of these

750. Nm

600. Nm

450 Nm

300 Nm

4 m

3 m

2 m

1 m

17.35 Nm

15.73 Nm

37.51 Nm

13.75 Nm

12.5 s

13.4 s

15.7 s

18.3 s

3.6 Nm/s

4.7 Nm/s

5.4 Nm/s

8.1 Nm/s

15.6 sec

28.5 sec

0.59 min

the month of September

If a 10 N force is applied at a 30-degree angle, what is the vertical component of the force?

5 N

3.46 N

10 N

8.66 N

What is the net force acting on a 5 kg object accelerating at 2 m/s²?

5 N

2 N

7 N

10 N