Socrative Quiz

Question 1

What is the name of the point at which the weight of an object can be
considered to act?

Answer 1

The centre of mass

Question 2

If the resultant force on a moving object is zero, the object will…

Answer 2

keep moving at a steady speed

Question 3

What is the newtons first law pair?

Answer 3

Air pushing on a sail and the sail pushing on the air.

Question 4

Calculate the moment of the bottle opener on the cap if the applied force equals 12N

Answer 4

0.96Nm

Question 5

Three forces A, B and C act on an object . Which

of the following statements is true if the object is in equilibrium?

Answer 5

The vertical component of A equals the weight.

Question 6

Which of the following quantities here are vectors
Displacement
B Velocity
C Acceleration
D Energy

Answer 6

Energy

Question 7

Two ice skaters are each holding either end of a rope. One of them starts to pull
on the rope, which of the following describes what will happen next?

Answer 7

The one pulling the rope will stay still and the other will move towards them.

Question 8

Force is a vector quantity. Which is a correct statement about a vector quantity?
A Has direction only
B Has direction and magnitude
C Has magnitude only
D Has neither magnitude or direction

Answer 8

Has a direction and magnitude

Question 9

What part of the car would need to make it accelerate?
The back
The front
On top
Below

Answer 9

The front