Work Done

Question 1

Unit for mass?

Answer 1

Kilograms (kg)

Question 2

Unit for distance

Answer 2

Meters (m)

Question 3

Unit for Time

Answer 3

Seconds (s)

Question 4

Unit for Energy

Answer 4

Joules (J)

Question 5

Unit for Power

Answer 5

Watts (W)

Question 6

Unit for Force

Answer 6

Newtons (N)

Question 7

Unit for Amperes

Answer 7

(A)

Question 8

Unit for Kelvin

Answer 8

(K)

Question 9

Unit for Luminosity

Answer 9

Candela (cd)

Question 10

Unit for moles

Answer 10

Moles (mol)

Question 11

What type of quantity does speed have?

Answer 11

A scalar quantity

Question 12

Formula for speed?

Answer 12

Distance/Time

Question 13

Is velocity a scalar quantity?

Answer 13

No

Question 14

Formula for velocity?

Answer 14

Distance/Time

Question 15

What type of quantity does velocity have?

Answer 15

A vector quantity

Question 16

Formula for work done?

Answer 16

W = F x d

Question 17

What is work done?

Answer 17

Work done is the energy transferred when force is applied to an object and it causes it to move in the direction of that force.

Question 18

What is work done measured in?

Answer 18

Newton Meters.

Question 19

Formula for gravitational potential energy?

Answer 19

GPE = m x g x h

GPE = Mass x gravitational field strength x height

Question 20

What is power’s unit?

Answer 20

Power has a given unit of watts(W) which is equal to one joule per second

Question 21

Define power

Answer 21

Rate of energy transferred in a given time.