Mathematics, 05.02.2021 14:50 Aysha1311
Part 2: Short answer questions (Total 20 mark]
21. Below shows a man doing two stages of a pull up. In both diagrams the man is stationary.
a) Complete the sentence.
Choose the answers
from the box
(1 mark]
equal to
less than
more than
Sage 1
Etor 2
In stage 1 the downwards force of the man on the bar is
the upwards force of the
bar on the man
(b) The man has a mass of 85 kg. Gravitational field strength = 9.8 N/kg. Calculate the weight of the man.
Use the equation: weight = mass x gravitational field strength
[3 marks)
85 *9.8=
Weight - 833
Lunit: t
[3 marks)
(c) The man raises his body a vertical distance of 0.63 m to go from stage 1 to stage 2
Calculate the work done by the man. Use your answer to part (b)
Use the equation: work done = force x distance
Work done =
Unit =
(d) The man was not moving at stage 2. How much work is done by the man at stage 2?
[1 mark]
Work done =
Answers: 3
Mathematics, 21.06.2019 12:30, mommyp1973
How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.
Answers: 2
Mathematics, 21.06.2019 23:30, ayoismeisalex
In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.
Answers: 2
Mathematics, 22.06.2019 01:50, ElegantEmerald
If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =
Answers: 3
Part 2: Short answer questions (Total 20 mark]
21. Below shows a man doing two stages of a pull up....
Computers and Technology, 14.04.2021 19:10
Computers and Technology, 14.04.2021 19:10
Mathematics, 14.04.2021 19:10
Mathematics, 14.04.2021 19:10
English, 14.04.2021 19:10
Mathematics, 14.04.2021 19:10