Four potential forces can act on the ball Which combination of forces will keep the ball in static equilibrium? The length of

the arrows represents the magnitude of the force

A and B

A and C

B and D

8. Cand D

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Force, Mass, and Motion

What is the net force on an object when you combine a force of 10n north with a force of 5n south?

What happens when a solid object with a lower density is placed in a liquid with a greater density?

For each group of terms, write a sentence that shows how the terms relate. position: time: motion

If you started the motor of a boat in the middle of a lake, who would detect the sound of the motor first: a friend sitting on the shore of the lake, or a friend snorkeling just below the surface of the water along the same shore?

The velocity of a sound on a particular day outside is 331 meters/second. what is the frequency of a tone if it has a wavelength of 0.6 meters?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N