Newtons laws

Question 1

Newton’s first law

Answer 1

A resultant force is needed to make something start moving, speed up or slow down

Question 2

Five forms of acceleration

Answer 2

Starting, stopping, speeding up, slowing down and changing direction

Question 3

What is acceleration proportional to

Answer 3

Resultant force

Question 4

What is acceleration inversely proportional to

Answer 4

The mass of the object

Question 5

What is newtons third law

Answer 5

F=ma

Question 6

Equation linking mass, force and acceleration

Answer 6

F=ma

Question 7

Newtons third law

Answer 7

When two objects interact they exert equal and opposite forces

Question 8

What is inertia

Answer 8

The tendency to continue in the same state of motion

Question 9

What does inertial mass measure

Answer 9

How hard it is to change the velocity of an object

Question 10

What is the difference between equilibrium and newtons third law

Equilibrium is when the w… of something is equal to the c… force, where as … third law is where two o… with the same f… act on e…

Answer 10

Equilibrium is when the weight of something is equal to the contact force, where as Newton’s third law is where two objects with the same force act on eachother

Question 11

Investigating how mass and force affect acceleration

1. Equipment list: m…, p…, t…, t…, s…, m… b…
2. Record the m… of the trolley
3. Attach one …g mass to the s… and time how long it takes the t… to travel a certain d…
4. R… this and add …g each time
5. Use the formula W=… to find out the w… of the trolley and the m… and a… them together, this is the f…
6. Use the equation F=… to find the acceleration

Answer 11

1. Equipment list: masses, pulley, timer, trolley, string, mass balance
2. Record the mass of the trolley
3. Attach one 10g mass to the string and time how long it takes the trolley to travel a certain distance
4. Repeat this and add 10g each time
5. Repeat the whole experiment and calculate and average for each mass
6. Use the formula W=mg to find out the weight of the trolley and the masses and add them together, this is the force
7. Use the equation F=ma to find the acceleration