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WorksheetsGrade 11 Unit test Chapter 3 Dynamic (Force and Momentum)
Total questions: 25
Worksheet time: 2hrs 15mins
Pull and push that makes an object to move is called?
Momentum
Force
Energy
Power
Which one is vector quantity?
Work
Time
Temperature
Momentum
What is this formula is used for?
to calculate Force
to calculate acceleraton
to calculate momentum
to calculate mass
An object will be motionless or moving with regular speed if resultant force acting on it equals zero. Which law is that statement?
Newton's first law
Newton's second law
Newton's third law
Law conservation of momentum
Acceleration is proportional to the force given and and inversely proportional to the mass of the object. Which law is this statement?
Newton's first law
Newton's second law
Newton's third law
Law conservation of momentum
Action action force given to an object is equal to the reaction. Which law is this statement?
Newton's first law
Newton's second law
Newton's third law
law conservation of momentum
Initial momentum is equal to the final momentum. Which law is this statement
Newton's first law
Newton's second law
Newton's third law
Law conservation of momentum
A marble ball is drop. The speed before it hits the ground is 10 m/s. If the speed when it bounce back is also 10 m/s what type of collision it is?
Perfectly elastic collision
Semi elastic collision
Plastic collition
Normal collision
Why every object is always fall into the ground?
Because electric Force
Because of gravitational Force
Because of it heavy
Because of magnetic Force
A box with mass of 10 kg is being pushed by 20 N Force. Calculate the acceleration!
1 m/s2
2 m/s2
3 m/s2
4 m/s2
A 1000 kg car is being push by 5 men. Each men give Force of 100 N. Calculate the acceleration of the car!
0.1 m/s2
0.2 m/s2
0.4 m/s2
0.5 m/s2
A box is being push 40 N to the right by X. And then Y pull the box also to the right with Force of 40 N. Finally Z pull the box to the left by 30 N Force. What is the resultant force working on that box?
50 N to the right
30 N to the left
30 N to the right
0 N
A child of mass 50 kg is on water slide. The slide slope slopes down at 53o to the horizontal. The acceleration of free fall is 10 m/s2. Calculate the acceleration of the child down the slope if there are no friction!
4 m/s2
6 m/s2
8 m/s2
9.2 m/s2
A child of mass 50 kg is on water slide. The slide slope slopes down at 53o to the horizontal. The acceleration of free fall is 10 m/s2. Calculate the acceleration of the child down the slope if the friction force is 100 N!
3 m/s2
4 m/s2
5 m/s2
6 m/s2
A box is being pulled with 20 N Force with angle of 53o to horizontal surface. If the mass of the box is 10 kg, calculate the acceleration of the box!
1.0 m/s2
1.2 m/s2
1.4 m/s2
1.6 m/s2
The mass of the boy is 40 kg. Calculate the tension Force of T1!
240 N
300 N
320 N
360 N
The mass of box A is 16 kg and mass of block B is 4 kg. If the gravitational acceleration is 10 m/s2 and there are no friction between the box and the surface, calculate the acceleration!
2 m/s2
3 m/s2
4 m/s2
5 m/s2
mb=2 kg , ma=8 kg ; g= 10 m/s2 ; sin 53o= 0.8 Calculate the acceleration!
1.2 m/s2
1.6 m/s2
2.4 m/s2
3.2 m/s2
If the Force given is 20 N calculate the acceleration!
2 m/s2
3 m/s2
4 m/s2
5 m/s2
A ball with mass of 2 kg is moving with speed of 10 m/s. Calculate the momentum of the ball!
10 kg.m/s
20 kg.m/s
30 kg.m/s
40 kg.m/s
A ball with mass of 1 kg hits the ground with speed of 10 m/s. If the collision between the ball and the ground is perfectly elastic, calculate the speed it bounce back!
0 m/s
8 m/s
9 m/s
10 m/s
A 50 gram bullets moves with speed of 400 m/s hits a motionless wooden box with mass of 950 gram. after collision the bullets stay inside the box. Calculate the speed of the bullets and the box now!
10 m/s
15 m/s
20 m/s
25 m/s
A car of mass of 1000 kg is travelling at 20 m/s. The driver applies brakes and the car decelerates uniformly and comes at rest in 20 seconds. Calculate the braking distance of the car!
200 m
240 m
280 m
420 m
A trolley with mass of 2 kg traveling with velocity 2 m/s. After that the load of 3 kg mass is put on the trolley. Calculate the speed of the trolley now!
0.4 m/s
0.6 m/s
0.8 m/s
1.0 m/s
A billiard ball moves with speed of 4 m/s and hits other billiard ball that is at rest. After collision what is the speed of the first ball if the collision is perfectly elastic!
4 m/s
6 m/s
8 m/s
0 m/s
