1. Y11 INTERVENTION : Forces and energy1.
5 mins EXAM CONDITIONS demand 1 Question (grade C/D)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade B) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade A/A*)
5 mins go through mark scheme

2. 1.
5 mins

3. Walking at constant speed the slope of the graph is steeper1.
5 mins
Walking at constant speed
Standing still
faster
the slope of the graph is steeper
Speed = distance/ time

4. Y11 INTERVENTION : Forces and energy1.
5 mins EXAM CONDITIONS demand 1 Question (grade C/D)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade B) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade A/A*)
5 mins go through mark scheme

5. 2.
10 mins

6. 2.
10 mins
13 mm

7. 2.
10 mins

8. 2.
10 mins
To reduce the error in measuring the extension of the spring
The measurement is shorter with the ruler at an angle
0- 6 N
Data gives a straight line through the origin

9. 2.
10 mins

10. inelastically deformed2.
10 mins
Use a set square to line up the lowest coil of the spring with the ruler scale. P
The spring has been
inelastically deformed
It went past the limit
of proportionality

11. Y11 INTERVENTION : Forces and energy1.
5 mins EXAM CONDITIONS demand 1 Question (grade C/D)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade B) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade A/A*)
5 mins go through mark scheme

12. 3.
5 mins

13. 3. 5 mins momentum (p) before = momentum (p) after zero = zero
Forwards is positive
to the right
momentum (p) before = momentum (p) after
zero = zero
0 = ( p skateboard ) + ( p skateboarder)
( p skateboard ) backwards = ( p skateboarder) forwards
( mv skateboard ) backwards = (MV skateboarder) forwards
( 1.8 x v ) backwards = (42 x 0.3) forwards
( 1.8 x v ) backwards = forwards
( v ) backwards = forwards
1.8
v = 7 m/s backwards

14. Y11 INTERVENTION : Forces and energy1.
5 mins EXAM CONDITIONS demand 1 Question (grade C/D)
5 mins go through mark scheme 2.
10 mins Walking talking demand 2 Question (grade B) 3.
5 mins EXAM CONDITIONS demand 3 Question (grade A/A*)
5 mins go through mark scheme