physics P10

Question 1

rearraraiging resultant force equation

Answer 1

F=m X a or A = F/M or M=FM

Question 2

what is newtons second law

Answer 2

acceleration of an object is
- resultant force
- mass of the object

Question 3

the velocity of an object ……..if the resultant force is in the same direction

Answer 3

increase

Question 4

the velocity of an object …… if the resultant force is in the opposite direction

Answer 4

decreases

Question 5

Calculate the resultant force on a sprinter mass of 80kg who accselrates as 8 M/s squ

Answer 5

640 m/s

Question 6

calcualte the accseltration of a car with 800kg acted on the resultant force of 3200N

Answer 6

4N

Question 7

the greater the ….. of an object the greater the objects

Answer 7

1.) resultant force
2.) acceleration

Question 8

the greater the …. of an object the smaller it’s ….given force

Answer 8

1.) mass
2.) acceleration

Question 9

The resultant ….. acting on an object is

Answer 9

1.) force
2.) F=M x A

Question 10

what is weight measusered in

Answer 10

N ( Newtons )

Question 11

Mass is meausred in

Answer 11

Kg

Question 12

What is gravitnal fileld strength meausred in

Answer 12

N/Kg

Question 13

Calculate the mass of an object

Answer 13

Weight (W) = Mass ( M ) X Gravitational field strength (N/Kg)

Question 14

What is terminal velocity

Answer 14

Maximum speed of an object

Question 15

The gravitational field strength of the surface of the earth was 9..8.For the moon it was 1.6
calculate the Weight of a person mass of 50 kg

Answer 15

50 X 9.8 =490

Question 16

The weight of an object is the …..acting on the object due to gravity

Answer 16

force

Question 17

….velocity of an object it eventually reaches when it is falling

Answer 17

terminal

Question 18

When a force is moving at ……the resultant force on it is zero

Answer 18

Terminal Velocity

Question 19

The braking force of an moving object depends on

Answer 19

• How much alcohol you have drunk
• The speed of a vehicle